The guppy is a species of small freshwater fish. Scientists observed that the average size of guppies in a pond decreased over a few years after a guppy predator was introduced into the pond. Which of the following best explains the change in guppy size?

A

Speciation

B

Natural selection

C

Convergent evolution

D

Inbreeding

Question

Biology

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18 March, 14:37

The guppy is a species of small freshwater fish. Scientists observed that the average size of guppies in a pond decreased over a few years after a guppy predator was introduced into the pond. Which of the following best explains the change in guppy size?

A

Speciation

B

Natural selection

C

Convergent evolution

D

Inbreeding

+3

Answers (1)

Know the Answer?

Gemma Soto · Answer 1

Natural Selection is the best way to explain the change in guppy size. Natural Selection is the way a species reproduce and survive due to the differences in a phenotype (height, size, color, etc).