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Chapter 31
An Introduction to Animals
5
Biology
Undergraduate 1
02/01/2008

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Term
 freshwater and marine habitats; closest related to animals; create water currents with flagella that draw water in and filter feed; sessile; asexual reproduction (fission)
Definition

choanoflagellates

Term
very similar to choanoflagellates; suspension feeders; sessile
Definition

porifera (sponges)

Term
marine; radially symmetric; diploblasts;one opening; have a cnidocyte (capable of stinging prey to eat); reproduction by budding, fission or fragmentation
Definition
cnidaria (jellyfish, corals, anemones)

 

Term
 transparent; diploblasts; usually live near the surface; predators with long tentacles capable of 'capturing' prey and bringing it toward the mouth; move via cilia; self-fertilization
Definition

ctenophora (comb jellies)

Term
lack coelom; bilaterally symmetrical; trioblastic; have a mouth and anus (2 holes); prey on small protists/other animals that live in mud; swim, glide along surface; asexual reproduction (fission) or budding; internal fertilization
Definition

acoelomorpha

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