Some Fish, Such as Guppies, Use Most of Their Energy

question 165

Multiple Choice

Some fish, such as guppies, use most of their energy to reproduce early in life; thus, adult guppies remain small and more vulnerable to predation.Other fish, such as bluegills, grow larger and have their first reproductive event later in life.One likely disadvantage bluegills will face by having their first reproduction later in life is that

• A) they will be unable to find enough food.
• B) they will be more vulnerable to predation.
• C) they will be unable to produce viable young.
• D) they will run a greater risk of dying before reproducing.
• E) they will allocate all their energy to growth and survival.

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