Term
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Definition
colony of protozoans
epithelial cells
amoebacytes - digestion
collar cells - maintain water flow
choanoflagellates=protists in collar cells |
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|
Term
c. calceria
c. hexactinellid
c. demospongiae |
|
Definition
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Term
|
Definition
free swimming
largest to move by cilia
lack stinging cells
bioluminescent |
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Term
|
Definition
radial symmetry
ectoderm and endoderm
gastrovascular cavity
nerve net(not muscle) |
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Term
|
Definition
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|
Term
|
Definition
no respiratory or circulatory system
bilateral symmetry
cephalazation - sense organs
Acoelomate
hemaphroditic |
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Term
|
Definition
complete digestive system
longitudinal muscles
no segments
pinworms, hookworms, roundworms |
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|
Term
|
Definition
earthworms, leeches
Ceolomates
segmented
5 pairs of hearts
nervous system
ecretory and digestive system
clitellum |
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Term
|
Definition
snails, mussels, squid
bilateral symmetry
open circulatory system
radula
bivalvia |
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Term
|
Definition
squid, octopuses
closed circulatory system
tentacles and powerful beak |
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Term
|
Definition
jointed foot
crustacens, spiders, insects
chitin exoskeleton
segmented
compound eyes
metamorphosis |
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Term
|
Definition
spiny skin
sea urchins, sea stars
deuterosomes = anus
water vascular system
no blood, no brain, no heart
sieve plate>canals>ampulla>tube feet
CaCO2 exoskeleton |
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Term
|
Definition
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Term
|
Definition
| covers body and lines inner cavities |
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Term
|
Definition
| forms muscle, circulatory and skeletal system |
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