What characterizes a free-living flatworm?
A) tubular gut
B) hooks
C) cuticle
D) eyespots
E) coelom
Correct Answer:
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Q44: Oysters are classified in the phylum
A) Echinodermata.
B)
Q44: The taxonomic group that contains the largest
Q45: A snail is a(n):
A)arthropod.
B)mollusk.
C)chordate.
D)echinoderm.
E)nematode.
Q47: The low energy demands of nematodes allow
Q49: A sea urchin is a member of
Q50: Adult echinoderms that have radial symmetry lack:
A)a
Q51: In the various cnidarian species:
A)all live as
Q52: Which of the following phyla contains animals
Q53: A hemocoel or blood cavity is found
Q60: A crayfish is a member of the
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