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10 Cards in this Set
- Front
- Back
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What phylum do sponges belong to? |
Phylum porifera |
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Where can on find sponges? |
200 species live in freshwater environments while the vast majority are sessile marine organisms. |
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How does excretion and respiration occur in sponges? |
Through diffusion. Water enters there sponges via tiny ostia in the dermes and makes its way to a large cavity called a spongocoel lined with choanocytes. |
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Definition of monoecious and dioecious |
M - have both sexes in one organism D - organism only have one sex |
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Definition of viviparous, oviparous, and ovoviviparous |
V- Give birth to live young Ovi - Lay eggs Ovovi- eggs hatch inside mother |
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Amochocyte cells (sponges) |
Move about in mesophyl and absorbs, digests, and transports food |
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Stinging cells (Phylum chidaria) |
Cnidoblasts, nematocysts |
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2 Chidaria body forms (dimorphism) |
Medusa (mobile) Poly (sessile) |
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Classes of true jellyfish, box jellyfish, and comb jellies |
TJ- Class Scyphora BJ - Class cubozoa CJ - Phylum ctenophora |
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Adhesive cells used by comb jellies to capture food |
Colloblasts |
