The abyssal zone is an area of perpetual darkness showing no seasonal changes.
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Q14: Bioluminescence is commonly used to avoid being
Q15: All bacteria are heterotrophs.
Q16: Sea cucumbers must drink seawater to set
Q17: Microorganisms are more impacted by viscosity than
Q18: Plants are considered autotrophs.
Q20: The most numerous organisms in the sea
Q21: Countershading of fish
A) makes them more visible.
B)
Q22: The swim bladder of a fish
A) allows
Q23: In the oceans, thesize and abundance of
Q24: If an organism looks nearly identical and
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