8th Grade Evolution & Natural Selection Flashcard

Front

The gradual change in species over time is...

Back

Evolution

Front

The differences among a species, like different bird beaks, are called...

Back

Variations

Front

Which of the following is NOT a factor that affects the process of natural selection?

Back

Fossils

Front

What is the advantage of having different shaped beaks?

Back

To be able to eat the food readily available in the environment.

Front

Two organisms that are closely related would have...

Back

Very similar DNA sequence.

Front

What is natural selection?

Back

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

Front

What is adaptation?

Back

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

Front

What are traits?

Back

Characteristics or features of an organism, which can be inherited or acquired.

Front

What is the role of competition in natural selection?

Back

It drives the struggle for survival among organisms, leading to the selection of the fittest.

Front

What is a species?

Back

A group of organisms that can interbreed and produce fertile offspring.