Answer:
The change in environment
Explanation:
Because they need to adapt to live
I would say D narrow temperature. Most other planets are too hot or cold to sustain life.
I think it's B.) Hall of fame
The answer is <span>Mutations.
</span>Mutation are the alteration of a nucleotide
sequence in DNA. By changing a DNA sequence, the mutations produce new sequences, and consequently the mutations add genetic variation. On the other hand, natural selection takes them away. Genetic drift and migration decrease genetic variation because of the random sampling and migrating of only some individuals, respectively. Likewise, in the <span>Hardy-Weinberg conditions there must be no mutations.</span>
