Evolution Learning Check Review

Evolution can be defined as a ____________

• change in the frequency of an allele in a population over time

• change in the frequency of reproduction in a population

• change in the frequency of an allele in an individual

According to Darwin's theory of natural selection, the individuals that tend to survive are those that have ___________ .

• the variations best suited to the environment

• the most offspring

• the variations that are the most colorful

• do not have too many predators

A ________ is a group of organisms that can breed and produce fertile offspring.

• species

• community

• biome

• herd

What is natural selection?

• process in which helpful traits become more common over time

• a trait that helps an organism survive better

Differences in traits are called:

• natural selection

• genetic variations

• artificial selection

• adaptations

Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

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

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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

• natural selection

• mutation

• camouflage

• adaptation

The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful