Which example describes biological evolution?
A) You are vaccinated against polio and are protected against the disease.
B) A tree branch is broken off and another grows in its place.
C) Over time, a caterpillar species becomes as green as the leaves it eats.
D) The average woman's dress size has increased over the last 50 years.

Question

Quizplus · Accepted Answer

Biological evolution refers to the changes that occur in a species over time through natural selection. In this example, the caterpillar species changes in color over time in order to better blend in with its environment and increase its chances of survival. This is an example of natural selection leading to biological evolution. Choices A, B, and D do not describe biological evolution.

Which Example Describes Biological Evolution