Unit 5 Evolution Review

Front

What is natural selection?

Back

The idea that organisms more well equipped for their environment tend to survive longer.

Front

What is sexual selection?

Back

The process where females and males choose mates based on the best 'fit' traits.

Front

True or False: Natural selection can occur if individuals are exactly the same.

Back

FALSE

Front

What trait variation became more common in a darker pond due to pollution?

Back

Dark fish.

Front

How does embryology support the Theory of Evolution?

Back

It shows that embryos who develop similarly share a common ancestor.

Front

What is the definition of evolution?

Back

The change in the heritable characteristics of biological populations over successive generations.

Front

What is a common ancestor?

Back

An ancestral species from which two or more species have evolved.

Front

What is adaptation in the context of evolution?

Back

A trait that helps an organism survive and reproduce in its environment.

Front

What is genetic variation?

Back

Differences in DNA among individuals within a population.

Front

What role does mutation play in evolution?

Back

Mutations introduce new genetic variations that can lead to evolutionary changes.