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50 Cards in this Set
- Front
- Back
Invertebrates |
Porifera, Cnidaria, platyheminthes, nematoda, rotifera |
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Porifera |
Sponges |
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Cnidaria |
Corals, hydra, sea anemones, jelly fish, Portuguese man of war |
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Platyhelminthes |
Unsegmented flat worms |
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Nematoda |
Roundworms |
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Rotifera |
Rotifers( free swimming & microscopic) |
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Porifera |
Meaning pore bearers |
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Porifera |
Sessile, no specialized tissues or organ systems, asymmetric, filter feeders |
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Sponges |
Obtain food and oxygen by pumping water through their bodies |
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Sponges |
Food is taken into special cells called collar cells and is digested |
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Collar cells |
Have flagella for keeping the water flowing through the sponge |
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Spongin |
Network of protein fibers that make up the sponges simple skeleton |
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Spicules |
Needle like structures found in skeleton |
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Sponges |
Hermaphrodites |
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Asex sponges reproduce through fragmentation, budding, and regeneration |
Sponges |
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Gemmules may be formed |
In bad conditions. |
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Aponges |
Clean water and recycle nutrients |
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Sponges |
Used with bathing and painting |
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Sponges |
May prevent growth of some fungi and bacteria |
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Cnidaria |
Names for special cells called cnidocytes stinging cells |
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Cnidocytes are |
Contained in poisonous barbed called nematocysts |
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Characters |
Motile most marine two basic body plans |
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Cnidocytes |
Reproduce both ways |
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Cnidocytes |
Juvenile and adult body plans |
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Coral |
Is a cnidarian |
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Sexual reproduction in most cnidarians sperm |
And egg are both released in water |
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Zugote |
Goes thru the blastula stage then forms a planula |
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Planula |
Free swimming ciliates larval form |
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Planula |
Settles on a suitable substrates growth |
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Uses of cnidarians |
Food source for marine animals, |
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Uses |
Production of coral reefs used as food and shelter for marine organisms |
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Uses |
Can cause painful stings |
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Platyhelminthes |
Phylum made up of unsegmented flatworms |
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Flatworms |
Harmful |
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Flatworms are harmless decomposes or harmful parasites |
Bilateral symmetry and display cephalization |
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Cephalization |
Sense organs and nerves concentration in a head region |
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Phylum divided in 3 class |
Over 12000 species |
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Turbellaria |
Dugesia. Moist land areas |
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Turbellarians |
Feed on dead organic matter and small prey |
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Planarians |
Feed through a tube called a pharynx |
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Waste and chemicals |
Removed from bodies by flame cells |
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Trematoda |
Common name fluke |
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Fluke |
Parasites with protective concerns and suckers for attachment |
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Blood fluke |
Schistosoma |
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Cestoda |
Tapeworms |
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Tapeworms |
Parasitic worms that live in intestines |
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These flatworms |
Are made up of a scolds and many proglittids |
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Scolox |
Knob shaped head with hooks and suckers for attachment |
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Proglottids |
Body segments that each have a completed hermaphroditic system |
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Nematodes |
Roundworms |