Natural Selection

When every organism of a species has died.

• Evolution
• Natural Selection
• Extinction
• Artificial Selection

Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)

• Variation
• Adaptation
• Behavior
• Environment

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

Which organisms are most likely to survive?

• the best adapted
• the fastest
• the strongest
• the most domesticated (tamed)

Different versions of a gene are called?

• Alleles

• Cells

• Gametes

• Variations

When a new allele is created randomly it is called a________.

• Variation

• Mutation

• Cell

• Natural Selection

Mutations that occur in the gamete cells are passed to the offspring

• True

• False

The theory of evolution by natural selection means that what is changing over time?

• The inherited traits of a population.
• The acquired traits of a population.
• Hair color and eye color
• Attractive features.

What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

Natural Selection changes a population, not an individual.

• False

• True