Which of thfollowing organisms possesses a segmentebody with coelom, a completdigestivsystem, ana closecirculatory system?
A) sponge
B) tapeworm
C) earthworm
D) jellyfish
E) flatworm
Correct Answer:
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Q34: Nematocysts are
A) reproductive cells.
B) excretory organs.
C) sets
Q47: Mollusks include
A)pseudopods and annelids.
B)arthropods and cephalopods.
C)annelids and
Q48: Nematocysts arfounonly in
A)cnidarians.
B)roundworms.
C)crustaceans.
D)echinoderms.
E)arthropods.
Q49: All mollusks have
A)a mantle.
B)a shell.
C)gills.
D)lungs.
E)all of these
Q50: Cnidarians do NOT have
A)tentacles equipped with nematocysts.
B)a
Q51: Squids arexamples of
A)cephalopods.
B)pseudopods.
C)monopods.
D)gastropods.
E)polypods.
Q53: Snails arexamples of
A)cephalopods.
B)pseudopods
C)monopods.
D)gastropods.
E)polypods.
Q54: Molting is
A)the anterior attachment of a tapeworm.
B)the
Q55: Bilateral symmetry is characteristic of a
A)cnidarian
B)roundworm
C)echinoderm
D)corals
E)flatworm
Q56: Which body plan is characterizeby simplgas exchangmechanisms,
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