Which structure is used to help regulate buoyancy of fish?
A) kidney
B) stomach
C) intestine
D) swim bladder
E) ureter
Correct Answer:
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Q4: All echinoderms are found:
A) in marine habitats.
B)
Q15: Lancelets are:
A) carnivores.
B) filter feeders.
C) parasites.
D) herbivores.
E)
Q18: Class _ includes mostly extinct species and
Q20: Figure 32-1 Q21: By the Late _ period the Chordates Q25: Which chordate group has the most species? Q26: Which structure places a fish in the Q28: Metamorphosis occurs in which of the following Q29: A fish with a cartilaginous skeleton and Q39: The tetrapods include:![]()
A)
A) fish, amphibians, reptiles, and
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