Another Easy Biology Trivia?

[lacosteña]

According to the theory of evolution, the feathers on a sparrow evolved from

A. hide.
B. scales.

C. joints.

D. claws.


Which of the following statements best illustrates one of Darwin's insights into the theory of natural selection?

A. Humans produce more offspring than our food supply can sustain.
B. Natural selection necessarily eliminates all animals that are not swift and aggressive.

C. Living creatures possess a built-in drive to become increasingly complex.

D. The accumulation of minor adaptive traits, over time, leads to new species.