Evolution and Natural Selection

Front

What does the fossil record show about organisms over time?

Back

The fossil record shows that organisms slowly change over time.

Front

What is the process called when individuals with favorable traits survive and reproduce?

Back

Natural Selection.

Front

Why did the population of peppered moths in England change color after the Industrial Revolution?

Back

Light moths were easy to see against sooty trees and were eaten.

Front

Why is variation important for a species?

Back

If the environment changes, they might be better able to adapt.

Front

What is the term for an animal's color or pattern that helps it blend into its surroundings?

Back

Camouflage.

Front

What is evolution?

Back

Evolution is the process through which species change over time through adaptations and natural selection.

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is adaptation in the context of evolution?

Back

Adaptation is a trait that helps an organism survive and reproduce in its environment.

Front

How do mutations contribute to evolution?

Back

Mutations are changes in DNA that can create new traits, which may be beneficial for survival.

Front

What role does competition play in natural selection?

Back

Competition for resources leads to survival of the fittest, where only the best-adapted individuals survive.