The lancelets or Branchiostoma are found
A) very rarely and are about extinct.
B) as parasites inside the tracts of fish.
C) commonly in the sandy bottoms of coastal waters around the world.
D) in tropical freshwater streams.
E) near deep ocean thermal vents.
Correct Answer:
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Q19: A notochord is most correctly defined as
A)a
Q20: Salps in the class Thalacea
A)are barrel-shaped open-ocean
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Q23: Unlike most invertebrate phyla,the nerve cord of
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A)are the adult form of the
Q27: Development of the vertebrate head and sense
Q28: While several invertebrate groups (phyla)have in the
Q29: Lancelets belong to the subphylum _.
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