Evolution Review

Front

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

Back

Adaptation

Front

Almost all adaptations started off as?

Back

Mutations

Front

Which statement best describes the process of evolution?

Back

The traits of a species can change over time.

Front

What does Darwin's theory of evolution suggest?

Back

Species change over time.

Front

Which of the following is an example of a vestigial structure?

Back

The tailbone of a human.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

Define mutation in the context of evolution.

Back

A mutation is a change in the DNA sequence that can lead to new traits in an organism.

Front

What is the significance of genetic variation in evolution?

Back

Genetic variation is essential for natural selection, as it provides the raw material for evolution.

Front

Explain the concept of survival of the fittest.

Back

It refers to the idea that individuals best adapted to their environment are more likely to survive and reproduce.

Front

What are homologous structures?

Back

Structures in different species that are similar due to shared ancestry.