The major advantage that deep-sea benthic animals have over pelagic ones is that their food:
A) Is easier to digest.
B) Falls to the bottom and stays in one place,thus being available for a longer time.
C) Gets to be eaten before it gets to pelagic animals.
D) Gets decayed at much faster rates by chemosynthetic bacteria.
E) Produces less detritus.
Correct Answer:
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Q16: The zone immediately below the bathyalpelegic zone
Q17: Deep-sea pelagic fishes are characterized by all
Q18: The presence of bioluminescent organs on the
Q19: Photophores are:
A)Specialized eyes.
B)Buoyancy-regulating organs.
C)Specialized jaws.
D)Light-sensitive organs that
Q20: The main oceanic thermocline is located:
A)In the
Q22: Recent discoveries have shown the Challanger Expedition
Q23: Bacteria thriving around deep-sea hydrothermal vents are:
A)Photosynthethic.
B)Symbiotic.
C)Heterotrophic.
D)Parasitic.
E)Chemosynthetic.
Q24: A shrimp that occurs in large numbers
Q25: Deep sea gigantism is most common in:
A)Crustaceans.
B)Polychaetes.
C)Brittle
Q26: An unknown fish has been brought to
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