There are three types of rotifers: Bdelloidea, Monogononta, and Seisonidea. gently laying it on top of the water to allow for even spreading of the water sample and remove bubbles). Rotifers also have a jawed mouth and complete digestive, sensory, and reproductive organ systems. Hydra has a cylindrical, radially symmetric body with a mouth opening surrounded by several (6-10) tentacles. The tun is resistant to extreme high (150oC) and low (-270oC) temperatures, pressure (higher than the bottom of Mariana Trench), irradiation, and freezing. Therefore, they are described as “jewels of the sea.” The abundance of diatoms has a huge impact on the earth. I don’t mind saying that I was tearing up Google looking for anything and everything to discount the Bible and Gods Word. You can call it anything you want, but I find it no coincidence and circumstance the God had put me in the right place at the right time to hear a message that He and only He can give. it makes sence. However, occasionally hydra can move quite readily, especially when hunting. 2.  Daphnia (also known as water flea) is a genus of small planktonic crustaceans. [In this video] Colep uses its ciliates to swim.typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-narrow-sky-1-0'). Once a certain vibration is introduced to the water, how long does the water “remember” that crystalline structure? Download and print the field guide. Found inside – Page 17610 s immersion in 0.2 g Alizarin Red S in 100 ml 1.5% HCl, wash in water. Dolomite is often recognized by its failure to stain when using Dickson's method. Some species of dinoflagellates are capable of producing their own light through bioluminescence, which also makes fireflies glow. 07:00 What's inside this DIRTY Water? They are classified in the kingdom of Protista and are commonly referred to as “Protozoa.”typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-large-leaderboard-2-0')NameCharacteristicTaxonomySizeAmoeba– Slow movement by pseudopodia– Engulfs food by phagocytosisPhylum: Amoebozoa i.e., Amoeba proteus250 -750 µmShelled Amoeba– Testate amoeba with a shell– Slow movement by pseudopodiaPhylum: Amoebozoa i.e., Arcella sp.50 – 300 µmHeliozoa– Spherical– Radiating hair-like pseudopodsPhylum: Sacrodina Order: Heliozoa50 – 1000 µmParamecium– Free living ciliates– Movement by waving ciliaPhylum: Ciliophora Order: Peniculidai.e., Paramecium sp.50 – 300 µmDidinium– Free living ciliates– Capture paramecia using the mouthPhylum: Ciliophora Order: Haptoridai.e., Didinium nasutum50-150 µmStentor– Large, free living ciliates– Contractile– Collect food by cilia on mouth endPhylum: Ciliophora Order: Heterotricheai.e., Stentor sp.100 µm – 4 mmSuctoria– Ciliates with sticky tentacles– Attached to a surface of a substratePhylum: Ciliophora Order: Eridogenidai.e., Tokophyra sp.<500 µmVorticella– Bell-shaped ciliates– Cilia around the mouth– Often colonial– Attached to a surface of a substratePhylum: Ciliophora Order: Peritrichidai.e., Vorticella sp.<500 µmColeps– Barrel-shaped ciliates– Bodies covered by platesPhylum: Ciliophora Order: Prostomateai.e., Coleps sp.<100 µmLacrymaria– Ciliates with a long neckPhylum: Ciliophora Class: Litostomateai.e., Lacrymaria olor100-150 µm, These organisms are tiny animals. microorganisms both from the plant and animal kingdom. My nan used to say she could “feel it in her waters” very often before things happened with no physical notice of the said occurrence – and very often, she was right ! i think that energy effects us and everything around us. His experiments were well documented and written about. On the other hand, students Check out our pages on Amoeba under the Microscope and Euglena Under the Microscope, Read our information page on Algae - Reproduction, Identification and Classification. Heliozoa is a cousin of Amoebas. The following are the procedures in preparing the sample for viewing under the microscope: Preparation. Read about Protists on MicroscopeMaster here. Was this not science? Only the ideas that sound ridiculous at a glance are rejected. These tentacles have toxic extrusomes called haptocysts at the tip. Most commonly diatoms are found attached to rocks or other surfaces where they appear as a glistening brown or golden brown gelatinous mass (C). Under the microscope diatoms show a … Tardigrades, also known as water bears or moss piglets, are fascinating organisms. Amoeba proteus is known for how they move, a transformative crawling manner – through extension and retraction of “false feet” (or pseudopods) over varied substrates. They have a large body and elongate neck with reduced corona.Photo source: Monogononta. It moves like a snake and feeds on bacteria. Images are used with permission as required. Place a clean, sterile cover on top of the water drop (This should John 18:38 “What is truth?” retorted Pilate. During growth, the larva molts (sheds its skin) four times. typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-leader-1-0'). [In this video] Ostracods under the microscope. For this experiment, starting with low power, students will have the opportunity to see a number of Plankton is the diverse collection of organisms found floating in water that is unable to propel themselves against a current. And in the name of science, I admit that it would be better if we could see all the original states of the water along with time lines of how long it took these structures to form. for diagnosis or treatment. Most of the time, a hydra remains attached by the basal disc to some suitable object in the water. [In this video] A video capturing the “rotating wheels” of a rotifer and won the 2012 Nikon Small World in Motion Competition. (Image credit: Live Science) Here at Live Science… Paramecium (pair-ah-me-see-um; plural, Paramecia) is a unicellular ciliate with a shape resembling a slipper. To express numbers that are too large or too small to be conveniently written in decimal form, it is common to use “Scientific notation” in biology and other science branches. Anthony places a drop of water under a microscope and observes some small objects. Dissolve salt and create a supersaturated solution. You may see various tiny arthropods in freshwater specimens. Touch a piece of blotting paper on one side of the slide to absorb [In this figure] The structure of Amoeba.An amoeba has a single granular nucleus, containing most of the organism’s DNA. A similar study was done on plants, with one person coming in and destroying the plant, and another coming in and speaking comforting words to it. Cyanobacteria range in size from 0.5 to 60 μm, which represents the largest prokaryotic organism. A group of Synura cells tends to aggregate and assemble into a cluster. When you look at fresh water with a microscope you will likely see a variety of tiny living things. Sources of fresh water samples can include ponds, lakes, rivers, aquarium tanks or even an old rain puddle. You might see bacteria which belongs to the Kingdom Monera. They are small crustaceans, typically around 1 mm in size. Positive thought may be very useful and have a profound effect on human outlook and performance but there is no evidence that it will alter the mechanisms of nature. Many dinoflagellates are photosynthetic, manufacturing their own food using the energy from sunlight, and providing a food source for other organisms. If anything is missing it would be the control of the experiment, say water that does not get labeled or any attention; with that in mind its fair to say it behaved differently than both of the negative and positive water variables. Algae (singular alga) is an informal term for a large, diverse group of organisms that can obtain the energy to grow through photosynthesis (similar to plants). Wiggly water is a delightful children's story that teaches about respect for living creatures and that nature wants to be our friend. Common examples include green, red, brown algae, and diatoms. [In this video] Volvox forms spherical colonies of up to 50,000 cells.typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-large-mobile-banner-1-0'). Found insideThe story that results is as rich and vibrant as life itself. In names and their life cycle may interest the students, they can start by And then I was commanded to go tell the world! The onion layer is about 2mm thick. Why are you even browsing articles on this website? the energy of a situation/person/object can make us feel a certain way. In wastewater treatment systems where there is a low load and high sludge retention time the presence of - Chem. Abs. 28: 7023. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Place a clean, sterile cover on top of the water drop (This shouldbe done carefully, placing the slide on one edge at a 45 degree angle andgently laying it on top of the water to allow for even spreading of the water sample and remove bubbles) 4. Found inside – Page 67Flowers dependent on external water for corresponding to this vision in fact their successful reproduction . represent only a part of the wide About 350 ... So when someone calls us ugly we may question our looks and feel bad (effects our perception of ourself). Copepods are sometimes used as biodiversity indicators. Observe various salt crystals under the microscope. I know this is an old post, and I am really late getting to the party….but, were you ever able to post links to the actual experiments done with these results, and if so, could you direct me to them? [In this video] Euglena under a microscope. Oh and by the way, the average human body is 60% water. [In this figure] The life cycle of Mosquito. The easiest way to create ice crystals is to cool a glass microscope slide (possibly with very small amounts of the nucleation materials on it) to well below 0°C and then expose it to humid air at about 2 - 5°C (35°-40°F). [In this figure] Pediastrum under a light microscope. However, Emoto dispelled this accusation in an interview during which he stated: “This is one of the more difficult areas to clarify. coli.) Since then I’ve witnessed His Hand on me and my families lives and can share some awesome miracles with anyone who cares to listen. MicroscopeMaster website is for educational purposes only. Bacteria are prokaryotes (pro-KAR-ee-ot-es) that don’t have the membrane-bound nucleus and other organelles. As a matter of fact, he has some new(er) experiments he just put out. Or a cut sealing itself off and forming scar tissue to stop the bleeding? Justin obtains a sample of pond water to examine under a microscope. Didinium has a cone-shaped mouth that can capture and paralyze its paramecium prey. [In this figure] Tree of living organisms showing the origins of eukaryotes and prokaryotes. In the Backyard delves into the microscopic life forms that inhabit your backyard, from the plant cells that convert sunlight into food to the protozoa inhabiting the soil and water puddles. (D-E) I used the forceps to collect some decaying leaves and a dropper to collect water with sediments into my sample vial. Therefore, make sure you are looking at the right place. Stentor, sometimes called trumpet animalcules, are a genus of filter-feeding ciliates. the different types of organisms they have seen and a sense of how they appear. Regardless the comment has changed you even for just that moment. A microcope is made using two convex lenses, one in the eyepiece and one closer to the specimen being viewed. You will notice that the cells in the carrot slice that was not placed in salty water are very large and robust and full of water. Do all amoebas look like Amoeba proteus? Our house was in total chaos, hellish, arguing, fighting, yelling, screaming and when I decided to give myself to God it got way worse. i disagree and yhink that your thought and likly your mentality are too imature and unambitious,also the use of the word “retarded” violates mentally challenged people,your free to call me any thing you please my opinion does not change, careful you almost spelled likely right, Mr. Itching has meaning. However, they can be totally different. Right: A picture of the cyanobacteria bloom.Photo source: cyanobacteria, cyanobacterial bloom. It’s good practice and we can talk about a few other things along the way. They have diverse shapes, including spheres, rods, and filaments. They also lack the various structures that characterize land plants, such as the roots, leaves, stomata, and vascular bundles. Among them, “Bdelloid” rotifers are the most common microorganisms that you can find in all kinds of humid environments.typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-sky-2-0'). Ostracods are sometimes known as seed shrimps. using 30X on a stereo microscope, other microorganisms such as hydra If you require a microscope to be a device, not really, but it is possible to do biologically with the proper conditions. The way in which a micros... They are also very interesting scientific objects to study because of their “super regeneration capability”. Planaria are commonly found in aqua tanks. The micro-animals we discussed here belongs to 6 phyla. Every organism plays an essential role in the ecosystem and it is also true for microscopic organisms. I wanted to know who wrote the Bible, when, where and disprove it’s accountability because of all the translations etc. Once you have gotten pond water and a microscope, it's time to have some fun. They have primitive brains and nervous systems. If science is supposed to tell us why things work and not just observe the systems, I don’t think you can call anything science. Then, it follows by Phylum, Class, Order, Family, Genus, and Species. Use this sample for the rest of this exercise. [In this figure] Copepods of different species imaged by a darkfield microscope with polarized light.Photo source: wiki. Within each of those sections, there will be more categories like fiction or non-fiction. Although learning their microorganisms so cleaning their hands will help prevent contamination and They could be microscopic crustaceans like Daphnia or juvenile larva of aquatic insects and large crustaceans. which live in the pond and their diversity. Its cell walls form two thin overlapping shells, which fit together as in a soap box. Human intelligence has always been playing catch-up with the world. 5.  Found inside – Page 103Make sure to rinse the eyedropper with water after each use. Place a cover slip over each drop of water, then view the water under the microscope under low ... Blister packs … 13:34 Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7. There will be even more divisions within those sections, such as mystery, science fiction, and romance novels in the fiction section. Algae include members ranging from unicellular microalgae, such as Chlorella and Diatoms, to multicellular forms, such as the giant kelp (a large brown seaweed that may grow up to 50 m in length)! While looking through the microscope, evidence of living organisms appears. Finally, after layer by layer of narrowing, you will get down to a single book.Taxonomy works the same way. The cilia of paramecium move like many tiny oars, propelling the organism through the water at a rate that is “four times its body length per second”. Suctoria looks like Vorticella, which also has a stalk to attach itself to substrates. Oligochaeta is a subclass of animals in the phylum Annelida. When you enter a room where there has been a recent argument, you can feel the energy of what has occurred. They have been studied for their fascinating ability to survive in extremely harsh conditions. Although care has been taken when preparing the different types of organisms they have seen and a sense of how they appear. For example, for our trip to Europe we tried using the words “thank you” and “you fool” in German. If only science Could explain it all, what a wonderful world that would be. What was the shape of the organisms they observed? As you can tell, the water stamped with positive words is far more symmetrical and aesthetically pleasing than that stamped with dark, negative phrases. typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-microscopemaster_com-box-3-0'). However, there are some dinoflagellates that are parasites on fishes or on other protists. View the crystals under the microscope- on both low and high power Dissolving the salt in the water and then evaporating the water away changes the shape of the salt crystals, making them flatter and easier to see under a microscope. If you tried to view them right out of the box, compare what you saw each time. Microscopic Creatures in Water. 193 Views. It does effect you in some way when someone calls you ugly unless you were unaware that the person called you ugly. Gastrotrich has a head with a brain and sensory organs, a body with a simple gut, and skin covered by many cilia. Some shelled Amoebas prepare their tests by collecting particles of sediment around them and glue these mineral particles together with slime ingredients secreted from the cells.typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-leader-3-0'). You can even create a three-headed planarian if you make two incisions on its head. Although paramecium is small and has only one cell, it can do everything that a living creature can do: Paramecium can swim, digest food, and reproduce. gently laying it on top of the water to allow for even spreading of the water sample and remove bubbles). Mosquito larvae eat algae, bacteria, fungi, and other microorganisms in the water. I remember reading about water memory and how it was a generally rejected idea that never went anywhere. [In this figure] The beauty of diatoms on a microscopic slide.Photo credit: micromagus.net, Synura is a small group of golden-brown algae containing chloroplasts, found mostly in freshwater. Paralyzed preys will then be engulfed within the body cavity for digestion. Tardigrades, also known as water bears or moss piglets, are fascinating organisms. In the figure below, you can see how this system classifies the human, orange, and gut bacterium (called E. Suctoria uses its tentacles to catch prey and then sucks the prey’s cytoplasm directly into a food vacuole inside the cell, where it digests and absorbs the contents. Coleps swim around by cilia and feeds on bacteria, algae, flagellates, and other ciliates. Rarely is this scum evenly distributed. Protozoans and Small Animals When you look at fresh water with a microscope you will likely see a variety of tiny living things. Dinoflagellate is another organism like Euglena that gives the scientists big trouble. have some difficulty identifying some organisms, which may look like plants or All the time I kept thinking about that family and the differences in the two households. They have functional organ systems consisting of many specialized cells. A student observed a water drop under microscope. [In this video] A shelled amoeba called Arcella. Most of them are autotrophic and can produce their energy through photosynthesis in chloroplasts. These arms can be used for capturing food, sensation, movement, and attachment. Cilia are structurally similar to flagella but are in general shorter and present in much larger numbers.typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-sky-1-0'). It has a membrane-bound nucleus and many organelles such as contractile vacuole and food vacuole. [In this video] Lacrymaria olor – One of Earth’s Strangest Creatures. Ours was chaotic and theirs was peaceful, understanding and love consumed it. They used jars filled with rice and water. Sometimes, you will find microscopic animals and plants that consist of hundreds or even thousands of cells. [In this figure] Spirogyra under a microscope.One of the spirogyra’s characteristics is its helical arrangement of chloroplast strands. You would not see any crystals in these cases. be done carefully, placing the slide on one edge at a 45 degree angle and animal organisms under the microscope from the fact that they move, they may The plants energy was similarly measured – chaotic with destruction, harmonic with peace. However, many of them may be smaller than some giant single-celled protozoans.NameCharacteristicTaxonomySizeRotifer (Bdelloid)– Corona with cilia– Attached on a surface– Move like a leech– Filter-feedingPhylum: RotiferaClass: Bdelloided100-500 µmRotifer (Monogononta)– Free swimming rotifers– Filter-feedingPhylum: RotiferClass: Monogononta50-150 µmHydra– Green, brown or colorless body– Use tentacles to catch preys– Attached on a surfacePhylum: CnidariaClass: Hydrozoai.e., Hydra sp.200 µm – several cmPlanarian (flatworm)– Flattened body– Two eyespots– Move in gliding motionPhylum: PlatyhelminthesClass: Turbellariai.e., Planaria sp.500 µm – 2 cmNematode (roundworm)– Round body– Move in rapid “s” form– Has anterior and posterior openingsPhylum: Nematodes Class: Chromadoreai.e., C. elegans1-10 mmGastrotrich (hairyback)– Mainly benthic– Hair-like bristles– Eat algae, bacteria, protozoaPhylum: Gastrotrichai.e., Lepidodermella sp.100 µm – 3 mmTardigrade (water bear)– Head and 4 trunk segments– 4 pairs of legs– Two eyespots– Survive harsh conditions by CryptobiosisPhylum: Tardigrada Class: Eutardigrada, Heterotardigrada0.5 – 1.5 mmOligochaeta (earthworm)– Segmented– Worm motion– Hair bundlesPhylum: AnnelidaClass: Oligochaetafew mm to 1 cm, There are a huge variety of microscopic arthropods in freshwater that are worth discussing separately. microorganisms to attach themselves onto the slide and then can be observed. [In this figure] Anatomy of a bacterium.The key structures in a prokaryote cell are nucleoid, plasmid, cytoplasm, flagellum, pilus, ribosome, capsule, cell membrane, and cell wall. Which of the following organism it is? With this he went out again to the Jews gathered there and said, “I find no basis for a charge against him. Pond water contains a wide range of water sample attach onto the slide. to draw what they see and how they see them. These worms are usually semi-transparent and have “bristles” on their outer body surfaces. clean their hands using water and soap. Micro-animals are animals so small that they can be visually observed only under a microscope. multicellular. For instance, students may not be able to differentiate protists, Generally, the microorganisms we can find and see under a light microscope fall in the range between 0.5 – 1000 µm. Tardigrades look like chubby, microscopic bears walking slowly with eight short legs. Some of them are consistently twitching or rotating by waving their flagella.typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-large-mobile-banner-2-0'). Have fun browbeating the innocent and productive people of society :). 2. [In this figure] Two Heliozoans under the microscope. This research may in the future extends the human’s lifespan! Does anyone have any logical, repeatable explanation for this that is also consistent with the laws of chemistry and physics? But then again if your consumed with darkness you won’t hear Gods voice nor will you ever witness a little heaven, here on earth. So maybe it’s not ‘science’ in the sense of ‘this is how and why this happens’, but it definitely does happen. 3.  [In this video] Chlamydomonas are single-cellular green algae with two flagella. Describes the structure and characteristics of the amoeba, paramecium, and other members of the "circus" that Leeuwenhoek discovered in a drop of water. 1.  Most of them are aquatic (living underwater) and contain chloroplasts. The daphnia body is usually 0.2-3 millimeters long, which is pretty tiny compared to their cousins in the Class Crustaceans like crabs and lobsters. In our DIY microscope we use a drop of water as a lens. Daphnia sp.0.2 – 3 mmCopepod– Long antennae– Tiny eyespots– HoloplanktonClass: CrustaceaOrder: Copepoda1 – 2 mmOstracod(seed shrimp)– Bean-like shell– Filter feeders– Bivalve carapaceClass: CrustaceaOrder: Ostracoda i.e. Its name means “swan tear” in Latin and refers to its general shape: namely, a teardrop-shaped cell with a small “head” at the end of a long slender “neck.” This protist is notable for its ability to extend the “neck” of the cell up to 7 times its body length and manipulate it in many directions — even around obstacles — to capture its food. They are covered in silicate scales and of yellowish color. Phytoplankton is referred to as autotrophic algae near the water surface where there is sufficient light to support photosynthesis. If more than one group member brought in water samples, take the time to look at all of the samples under the microscope and decide which has the most interesting objects to look at. If you do not accept the findings then discover your own. Found inside – Page 42He saw crystals form in evaporating salt water . He saw poison ooze from the sting of a scorpion Then , in the summer of 1675 , he looked deep within a drop ... To classify, categorize, and organize all the microorganisms, we need a naming system that everyone can follow. Water is essential to life, but it could also cause cancer. If the words and thoughts that come out of us have this effect on water crystals, it’s amazing to think of what kind of effect they have on the people and events that come into our lives. to the plant kingdom. Wiggly Water is a delightful children¿s story which teaches about respect for living creatures and that nature wants to be our friend. [In this video] Vorticella looks like tiny tulips under the microscope. When they wave their flagella together, the entire cluster starts to rotate. Spoon a little water into the eye cover so it forms a pool. Many microorganisms you can find in pond water belong to “ciliates.” The ciliates are a group of protozoans characterized by the presence of hair-like organelles called cilia. “Slang words like “you fool” destroy clusters. They both use cilia to collect food particles. [In this table] The biology scale can span a huge range: from an atom to an elephant. be done carefully, placing the slide on one edge at a 45 degree angle and This builds up a food web of the aquatic ecosystem. This is pretty amazing and means that everything we say think and do actually matters!! Each cell has its two flagella facing outward. Doubt this is real. [In this figure] Left: Microscopic images of Cyanobacteria, showing many single cells assembled into long chains. Since bacteria have different nutrient requirements, the exact type of media used depends on … Tape just the edges of the eye cover to the inside of the cup so the curve goes inside. However there were other experiments that were carried out after with very scientific setups that had the same results. the human body is made up w/ 75% water. identifying them, comparing them with images on the blackboard or books and Seisonidae rotifers are saltwater rotifers found on the gills of Nebalia, a marine crustacean. [In this figure] The animal kingdom Animalia contains approximately 35 phyla (singular: phylum). Using a dropper, place two or three drops of pond water at the center of a clean, sterile microscopic slide. 3. Obtain a small piece of onion about (1cm x 1cm). [In this video] Gastrotrich under a microscope.typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-netboard-2-0'). Also I have a newspaper from my college where the front page has a story about a class there performing a nearly identical experiment with similar results. Microorganisms are widespread in all kinds of freshwater environments. I was once where you are and more than like will most of you will stay. [In this figure] C. elegans is a model organism studied in many laboratories around the world.Upper image: An adult C. elegans under a stereo microscope. Within the umbrella of Protist, the members can be further divided into:• Protozoa – “animal-like”, like Paramecium and Amoeba;• Protophyta – “plant-like”, like Diatom, green, red, and brown algae;• Molds – “fungus-like”, like water mold and slime mold.Typically, pond water contains a variety of microorganisms. 05:20 Here, we use the six-kingdom classification system (Archaea, Bacteria, Protista, Plantae, Fungi, and Animalia). the lesson, at least 5 different water sources should be examined. He prepares a slide of the sample and sets the objective lens to low power. They could be free-living single cells or microorganisms that cluster together in large numbers (colonies). later label the different parts of the organisms. I love how your negative, close-minded critique goes against everything that this article and website stand for. Let’s see what we can find under the microscope!typeof __ez_fad_position!='undefined'&&__ez_fad_position('div-gpt-ad-rsscience_com-banner-1-0'), These microorganisms are prokaryotes, meaning they do not have a membrane-bound cell nucleus and other organelles.NameCharacteristicTaxonomySizeBacteria– Prokaryotes– Single cells– Rod, sphere, or filament-shapedKingdom: Bacteria1µm or lessCyanobacteria (blue-green algae)– Prokaryotes– Free-living photosynthetic bacteria– Produce the oxygen on EarthKingdom: Bacteria Phylum: Cyanobacteria0.5 – 60µm, These microorganisms are single-cellular eukaryotes that can produce food through sunlight by photosynthesis (i.e., algae).NameCharacteristicTaxonomySizeChlamydomonas– Green algae with two flagella– Small single cells or clusters– Rapid movementClass: Chlorophyceaei.e., Chlamydomonas sp.< 50 µmVolvox– Green algae with two flagella– Spherical colony formed by single cellsClass: Chlorophyceaei.e., Volvox sp.500µm – 2mmPediastrum– Green algae (no flagella)– Single cells or clusters in arrangement– No movementClass: Chlorophyceaei.e., Pediastrum sp.< 500 µmSpirogyra(water silk)– Filamentous green algae– Non-branching chains of single cellular units– No movementClass: Zygnematophyceae i.e., Spirogyra sp.100µm – several cmClosterium– Green algae (no flagella)– Single cells, new moon-shaped– No movementClass: Zygnematophyceae i.e., Closterium sp.100 -1000 µmDesmidium– Green algae (no flagella)– Single cells or assembled into long filaments– Various shapesClass: Zygnematophyceae i.e., Desmidium sp.100 -1000 µmDiatom– Brown algae– Slow gliding motion– Cell wall (frustules) made of silicaClass: Bacillariophyceae i.e., Pennales< 500 µmSynura– Brown algae– Cluster of cells– Rotating with flagellaClass: Synurophyceaei.e., Synura sp.< 500 µmEuglena– Contain chloroplasts– Move by flagella– Red eye spot– Have features of animal and plantPhylum: Euglenozoai.e., Euglena sp.< 400 µmDinoflagellate– Free swimming with flagella– Tough armorClass: Dinoflagellatai.e., Ceratium sp.< 400 µm, These microorganisms are singled cellular eukaryotes that obtain nutrition from outside sources.
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