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31 Cards in this Set
- Front
- Back
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Cnidocyted |
Are stinging cells used to capture small prey. |
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What's is cnidarians? Phylum of |
Phylum of. Animals. Have cnydocytes and. Mesoglea. |
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What is cnydocytes? |
Singing cell to capture small prey. |
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Examples of cnidarians |
Sea jellies, anemones ,and. Corals. |
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What's are characteristics. Of. Cnidarians? |
Radially. Symmetric ,true. Tissues,which develop from ectoderm and endoderm. |
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What's us endoderm? |
Primary germ layer which later develop into a organs such such as skin cells and neurons. |
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What's is mesoderm? |
Primary germ layer develop into muscle tissue and red blood cells. |
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What's is tentacles? |
Are slender ,finger like extensions used to capture and handle food. |
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What's basic firm the cnidarians have? |
Medusa,polyp. |
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Characteristics. Of medusa |
Has its polyps face in down,Mobile has a statocyst. |
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What's is polyps? |
Has its tentacles face upward and is sessile. |
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What are the 4 major clades of cnidarians? |
Hydrozoa,scyphozia,,cubozoa,,anthozoa. |
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Describe hydrozoa. |
Cnidarians with bushy colonies of polyps. |
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What's. Is. Zooids? |
Groups of polyps specialized for catching. Prey ,digestion,defense and. Reproduction. |
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What's are siphonophores and. Give. Example. |
Are of special scientific interest. Medusa and polypoidzoids. |
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Describe. Scyphozoans |
Cnidarians. Which typically have large Medusa. |
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What's is planktonic? |
Meaning they can not swim against the current. |
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Describe. Cubozoa. |
Box jellies,invertebrates ,4. Eyes, 4 tentackes ,short polyp phase ,strong swimmers. |
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Name 4 Hawaii cnidarians species by their common nsmes. |
Phyllorhiza punctata. Cassiopea Andromeda, penaria disticha,carijoa riisei. |
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How can you distinguish poriferans from cnidarians? |
No simetry |
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What's is cnydocytes? |
Explosive cell have one giant secretory organelle. |
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What's is septa? |
Thin partitions in the gut which provides additional surface area for digestionand support |
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What's is zooxanthellae? |
Single celled algae that live in cnidarians and provide then which nutrients gained through photosynthesis. |
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What's is coral beaching? |
Sea water becomes warmer zooxanthellae leave the coral and the colony turns white. |
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What's hexacorallia? |
Anthozoa 6 or multiple of sixt tentacles |
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What's is hard corals? |
Are corals created a calcium carbonate skdleton. |
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Whiy corals are commit in hawaii!? |
Finger coral,love coral,rice coral,blue rice coral,lace coral,cauliflower coral and mushroom coral. |
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What's is black coral? |
Lack zooxanthellae, grow 0.4to 3.5 per year,estimated reach more than 4000 yearsold.harvesterd for jewerlyy |
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What's polymorphism? |
Phenomena if 2 or more clearly visible morphologies within one species. |
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Octocorallia |
Anthozoa with 8 polyps.skms are soft corals,gorgonians,and sea pens. |
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Precious corals |
Octorals with a red or pink skeleton,harvested for jewelry. |
