Environmental Science Test#1

What is evolution?

• Evolution is the process by which living things change over time.

• Evolution is the study of how organisms adapt to their environment.

• Evolution is the idea that all species are related to one another.

• Evolution is the process of natural selection that determines which organisms survive.

What adaptations help birds to live in trees?

• Wings make it possible for them to fly to trees. Their feet enable them to sit on tree limbs

• Birds have sharp beaks that help them to eat the fruit from the trees.

• Birds have camouflage coloring that helps them blend into the trees.

Why do you think albinism is a harmful?

• An albino animal cannot hide very well from its predators.

• Albinism causes people to be more prone to skin cancer.

• Albinism can lead to vision problems and even blindness.

• Albinism can cause a person to be more vulnerable to infectious diseases.

Most scientists believe that new species evolve from

Organisms change over time by the process of

A feature or trait that helps an organism live in a certain environment is an

A sudden change in a gene is a

How do genetics play a role in evolution?

What is a fossil?

• A fossil is the remains or traces of once -living organism.

• fossil is a type of rock

• fossil is an extinct animal

• fossil is a type of mineral

Which would be most likely to leave fossil remains:

• Rabbit

• worm

• butterfly