Amplify Science U3 Ch3 Test

Front

What is an adaptive trait?

Back

An adaptive trait is a characteristic that helps an organism survive and reproduce in its environment.

Front

Why is dark fur color an adaptive trait in a dark rock environment?

Back

Dark fur color helps animals blend in with their surroundings, making it harder for predators to see them.

Front

What does the term 'environmental change' mean?

Back

Environmental change refers to a disturbance in the environment that causes changes, affecting the organisms living there.

Front

True or False: A change in the environment can affect which traits help an organism survive.

Back

True

Front

Why are there more cliff swallows with short wings after 30 years of highway construction?

Back

Cliff swallows with shorter wings were better at escaping cars, so they survived and reproduced more than those with longer wings.

Front

What is a negative effect of environmental change on animals?

Back

New highways can lead to animals being hit while trying to cross the road.

Front

What is the role of variation in a species?

Back

Variation in a species allows some individuals to have traits that may help them survive better in changing environments.

Front

How can human activities cause environmental change?

Back

Human activities like building roads, cutting down forests, and pollution can disturb natural habitats and change the environment.

Front

What happens to traits that are not beneficial in a changing environment?

Back

Traits that are not beneficial may decrease in frequency as those individuals are less likely to survive and reproduce.

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.