Evolution Unit Test

If this theory is correct, there would be intermediate stages in the fossil record...

a well-tested concept that explains a wide range of observations is called a(n)...

What materials are you going to use to study?

Most scientists believe that both punctuated equilibrium and gradualism occur in nature.

a trait that helps an organism survive and reproduce is called a(n)...

Which of these is NOT evidence of natural selection?

This theory proposes that evolution occurs slowly but steadily and that tiny changes in a species gradually add up.

This theory accounts for the gap in the fossil record

Two organisms are the same species if...

a group of similar organisms that can mate with each other and produce fertile offspring is called...

When organisms fight for limited resources is called...

Similar structures that related species have inherited from a common ancestor are known as...

Which of these DO NOT cause variation among organisms?

Overproduction is when organisms produce more offspring than actually survive

Scientists study evolution using the Fossil Record.

the preserved remains or traces of an organism that lived in the past are...

Natural selection still occurs today

The gradual change in a species over time is called...

This theory states that small changes add up to a major change over a very long period of time

individuals that are better adapted to their environment are more likely to survive and reproduce than other members of

This theory states that species evolve quickly during relatively short periods of time.

The fossil record has provided scientists with a lot of important information however, it is ...

an unborn or unhatched offspring in the process of development is called...

I am ready for my test!

Island iguanas had ____ claws while mainland iguanas had ____ claws

Usually, only the soft parts of an organism, such as the tissues of animals form fossils.

Darwin believed in this theory...

Which of these is NOT a factor that Darwin identified that influences Natural Selection

Rivers, Volcanos, and Mountain Ranges CANNOT isolate members of the same species

When many types of organisms become extinct at the same time, a MASS EXTINCTION has taken place

The collection of preserved remains of extinct organisms is known as…

Fill in the blanks: The ____ similar the DNA sequence, the ____ closely related the species are.

Older fossils aren't burried as deep in sediment as younger fossils.

Charles Darwin travelled on the...

A change in an organism's DNA sequence is known as a(n)

A species is extinct if most members of that species are still alive.

An adaptation is any trait that helps an organism...