Steps of Natural Selection & Key Terms

Question 1

Offspring

Answer 1

Children/babies

Question 2

Herritable

Answer 2

A trait that gets passed down through generation

Question 3

Over-reproduction

Answer 3

More offspring are born than can survive

Question 4

Evolution

Answer 4

A change in a population over time

Question 5

Population

Answer 5

A group of individuals of the same species in a particular place in a particular time

Question 6

Natural Selection

Answer 6

The steps that describe how the population changes

Question 7

Selective Pressure

Answer 7

A change in the environment the drives the population to change

Question 8

Steps of Natural Selection
Mutations:
Variation:
Adaptation:

Answer 8

Steps of Natural Selection
Mutations: random DNA changes that causes variations
Variation: different version of traits or behavior due to mutation
Adaptation: a heritable variation that helps an organism survive in its environment
-Heritable variation that is favored becomes an adaptation
-Organisms with adaptions have more successful reproduction
-The adaptation becomes more common in population