Evolution

Front

What are vestigial structures?

Back

Vestigial structures are remnants of evolution that are no longer actively used by the organism that inherits them.

Front

What is descent with modification?

Back

Descent with modification is the process by which species change over time and separated species genetically drift from one another.

Front

What produces new traits in organisms?

Back

Random mutation produces new traits.

Front

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

Back

Hip bones in a whale are an example of a vestigial structure.

Front

What is evolution?

Back

Evolution is the process through which species change over time through mechanisms like natural selection and mutation.

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a homologous structure?

Back

Homologous structures are anatomical features in different species that share a common ancestry, even if they have different functions.

Front

What is the significance of the fossil record?

Back

The fossil record provides evidence of the history of life on Earth and shows how species have changed over time.

Front

What is mutation?

Back

Mutation is a change in the DNA sequence of an organism, which can lead to new traits.

Front

What is selective breeding?

Back

Selective breeding is the process of breeding plants and animals for specific traits.