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21 Cards in this Set
- Front
- Back
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give examples of Cnidaria
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hydra
anemones jellyfish coral |
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Cnidaria symmetry
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radial
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Cnidaria # of germ layers
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2 (diploblastic)
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Cnidaria: Metamerism
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none
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Cnidaria: coelom
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none
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Skeletal
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None (hydrazoa) to hard CaCO3
**Skeleton (corals) **Mesoglea (jelly fish) |
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Cnidaria: cephalization
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none
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Cnidaria: nervous system
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diffuse nerve net and sensory cells
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Cnidaria: digestion
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Gastrovascular cavity (GVC), gland cells in gastrodermis secrete digestive enzymes (proteases)= extracellular digest and nutritive-muscular cells from pseudopods-- phagocytose food (intracellular)
*contains flagella (that move fluid w/in GVC) |
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Cnidaria circulatory
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none-- diffusion
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Cnidaria respiratory system and pigment
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none
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Cnidaria excretory
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none-- diffusion
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sexual cycle and sex organ
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*Hydras-- monoecious
*other cnidarians are dioecious ***testis-- sperm **Ovary-- egg **These are (not true organes) |
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Asexual cycle
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budding
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locomotion
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tumbling, some pesuedopods extension of basal disk cells gas bubble
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Do they have tissue?
Do they have organs? What is one unique feature to them? |
Yes Tissue
No organ cnidocytes with nematocysts ** >10,000 species |
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Give the class of cnidaria
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Hydrazoa (only fresh wather)
Cubozoa Scyphozoa Anthozoa |
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give examples of Hydrazoa
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Hydras
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Cubozoa
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box jelly fish and sea wasp
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scyphozoa
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jellyfish
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anthozoa
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Corals and Anemones
Tank: Sea strawberry sea anemones white anemone |
