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Pond Diversity Classify these organisms. Classification Task In the next series of slides, you will be shown pictures of pond organisms that should look.

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Presentation on theme: "Pond Diversity Classify these organisms. Classification Task In the next series of slides, you will be shown pictures of pond organisms that should look."— Presentation transcript:

1 Pond Diversity Classify these organisms

2 Classification Task In the next series of slides, you will be shown pictures of pond organisms that should look familiar. Use your key to classify each of these to: Domain Kingdom Phylum Class (for Arthropods and Vertebrates)

3 Mallard Duck Features: Feathers made of keratin. Jaws with keratin beak. Bony skeleton.

4 Diatoms Single-celled organisms with nuclei Silica shells Brown photosynthetic pigment.

5 Daphnia (Water Flea) Multicellular organism about 1mm long. Specialized organs, jointed appendages. Exoskeleton made of chitin, with calcium carbonate Feathery gills

6 Hydra Soft-bodied, multicellular, heterotrophic organism. Uses tentacles to catch prey. Radial symmetry. Specialized tissues, but no specialized organs.

7 Chlorella Tiny single-celled autotrophs with a nucleus. Cell walls made of cellulose. Forms symbiotic relationships with animals such as Hydra.

8 Euglena Single-celled, motile organism. Uses chloroplasts to synthesize food. Also eats bacteria.

9 Water Fern Multicellular autotroph. Contains vascular tissue. Reproduces using spores; does not make seeds.

10 Stentor Single-celled eukaryote. “Mouth” end covered with tiny cillia that sweep the water for food, such as algae, diatoms.

11 Rough-skinned Newt Bony skeleton, jaws. Skin is soft, no scales. Lays jelly-like eggs in ponds.

12 Dragonfly External skeleton made of chitin Segmented body Six legs Jointed appendages.

13 Spirogyra Single-celled autotrophs that form long, filamentous colonies. Use cholorophyl as a photsynthetic pigment and have cell walls made of cellulose.

14 Decomposing Bacteria Prokaryotic, single- celled organisms. Responsible for breaking organic compounds into inorganic compounds.

15 Oregon Ash Multicellular, terrestrial autotroph. Cell walls made of cellulose; uses chlorophyl for photosynthesis. Produces seeds inside of an ovary.

16 Amphipods (Scuds) Multicellular, motile heterotrophs. Complex organs. Jointed appendages. External skeleton reinforced with calcium carbonate.

17 Snail Multicellular heterotroph. Grazes on algae on the rocks. Hard shell, but no skeleton. True coelom, organs, complex nervous system.

18 Rushes Multicellular autotrophs with cell walls made of cellulose. Wind-pollinated. Flowering head produces many seeds inside of minute ovaries.

19 Great Blue Heron Multicellular, motile heterotroph. Bony skeleton. Jaws with a keratin beak. Feathers made of keratin.

20 Volvox Single-celled autotrophs with a nucleus. Cell wall made of cellulose. Individuals form spherical colonies.

21 Paramecium Single-celled organisms with a nucleus. Entire cell is covered with cillia for motility. Feed on bacteria, tiny algae, diatoms.

22 Backswimmer Multicellular heterotroph with an external skeleton made of chitin. Six legs. Aggressive predator.

23 Haematococcus Single-celled, motile autotroph with a nucleus. Cell wall made of cellulose, uses chlorophyl. Uses a flagella for locomotion.

24 Fingernail Clams Multicellular heterotroph. Pair of external shells, no skeleton. True organs, complex nervous system.

25 Predatory Leech Multicellular heterotroph. Segmented body, no skeleton. Closed circulatory system. True coeloem.

26 Garter Snake Multicellular heterotroph with a bony skeleton. Skin covered in flat scales made of keratin. Jaws with sharp fangs.

27 Cattails Multicellular autotrophs with cell walls made of cellulose. Small, nondescript flowers in sausage- shaped flowering head are wind- pollinated.

28 Raccoon Multicellular heterotroph with a bony skeleton and jaws with teeth. Internal fertilization, retains young inside the body.

29 Amoeba proteus Single-celled heterotroph with a nucleus. Asymmetrical. Moves and catches food by means of extensions called pseudopods.

30 Food Web Take the organisms you have classified, and organize them into a food web. Remember to put the producers at the bottom, then the first-level consumers, then the remaining consumers.


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