Question

Darwin hypothesized that there are definite steps to natural selection. Consider the model for natural selection. Describe a scenario that represents this model of natural selection according to Darwin.

A) In a population of rabbits, some are brown all year long. When it snows these rabbits cannot hide from predators and they become extinct.

B) In a population of sunflowers, mutations cause some flower heads to produce more seeds. More seeds means that there are more sunflower plants over time.

C) In a populations of birds, mutations result in different beak sizes so the birds do not compete for food in the area. The bird population is made up of birds with many different types of beaks.

D) In a population of bacteria, variations exist due to mutation. The bacteria are subjected to antibiotics. Some bacteria die; others survive and reproduce. Eventually, the bacteria a resistant to the antibiotics.

Answer 1

D

Step-by-step explanation:

because thats what it said was right

Answer 2

D

Step-by-step explanation:

D shows organisms mutating and evolving due to their environment

A does not show change or adapting

B does not show how their environment affected the flowers

C does not show how their environment affected the birds mutations