In __________, thfirst embryonic opening becomes an anus, anthseconbecomes thmouth.
A) microtomes
B) protostomes
C) deuterostomes
D) macrotomes
E) pseudostomes
Correct Answer:
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Q18: Archaeopteryx anSinosauropteryx prima had
A)sharp teeth.
B)a long tail.
C)wings.
D)sharp
Q19: Which of thfollowing biologists publishethbook entitleOn thOrigin
Q20: In an animal, a structurmadup of onor
Q21: Which of thfollowing groups does NOT havtissues?
A)roundworms
B)sponges
C)echinoderms
D)flatworms
E)cnidarians
Q24: Which onof thfollowing do sponges display?
A)definite symmetry
B)organs
C)anus
D)glasslike
Q25: Which of thfollowing statements is NOT true?
A)Mammals
Q26: Which of thfollowing arcnidarian body shapes?
A)spongiforms
B)polyps
C)medusae
D)spongiforms and
Q27: Spongcells obtain nutrients by
A)absorbing food that diffuses
Q28: Which of thfollowing cushions anprotects internal organs
Q30: Sea anemones are
A) polyp forms of cnidarians.
B)
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