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202 Exam 2
Basal
21
Biology
Undergraduate 2
02/18/2009

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Term
Opisthokonts
Definition
Animals and choanflagellates
Term
Ichthyosporea
Definition
three weird groups, monophyletic
Term
Choanoflagellates
Definition
collared flagellates: microvilli and flagella
Term
Metazoa
Definition
blastula
Term
Eumetazoa
Definition
real tissues
Term
Porifera
Definition
sponges: choanocytes, aquatic, no true tissues, hermaphrodite
Term
*Polyp/Medusa
Definition
P-body stalk, M-free-moving; gastrovascular cavity, mesoglea, tentacles
Term
Cnidaria
Definition
monophyletic, stinging jelly: polyp and medusa stages.
Term
Hydrozoa
Definition
polyp and medusa, polyp colonial: hydra, coral, Portuguese man-of-war
Term
Scyphozoa
Definition
jellies, sea nettles: marine, reduces polyp
Term
Cubozoa
Definition
box jellies, sea wasp: marine, box-shaped medusae, complex eyes
Term
Anthozoa
Definition
anemones, corals, sea fans: marine, no medusa, heerotrophs
Term
Ctenophora
Definition
sticky jelly-like, 8 comb rows of cilia on sides
Term
Radiata
Definition
Ctenophora and Cnidaria: radial symmetry
Term
Placozoa
Definition
tablet animals, compact genome
Term
Myxozoa
Definition
small parasites: alt hosts b/w fish and worm, whirling disease
Term
Bilateria
Definition
bilateral symmetry, hox genes, triploblastic à proto/deutero
Term
Protostome
Definition
protostome=mouth from blastopore
Term
Deuterostome
Definition
deuterostome=anus from blastopore
Term
Ecdysozoa
Definition
shed exoskeletons
Term
Lophotrochozoa
Definition
lophopho/trocho
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