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Unit 5 Review

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

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

a)

species

b)

animal

2.

A chimp and a gorilla have common ancestors, but cannot mate and produce offspring. What is this an example of?

a)

Speciation

b)

Faulty logic

3.

Charles Darwin's contribution to science was his explanation of how species evolve (or change).

a)

True

b)

False

4.

True or false: The observation that fossils of ancient organisms differ from modern life supports the hypothesis that life changes over time.

a)

True

b)

False

5.

What do Darwin and Lamarck have in common?

a)

They both tried to explain evolution.

b)

They both went to the Galapagos.

c)

They both like pizza.

d)

They both enjoyed studying birds.

6.

According to science, which of the following has the organisms in the correct order from oldest to most recent?

a)

Cyanobacteria, trilobite, dinosaur, woolly mammoth

b)

Woolly mammoth, trilobite, dinosaur, cyanobateria

c)

Dinosaur, cyanobacteria, trilobite, woolly mammoth

7.

In 1953, a scientist named Miller discovered something that helped explain the origins of life on Earth. What was it?

a)

He found that the chemicals that form the conditions for life to form are only found on Earth.

b)

He found that the first organism was a trilobite and not bacteria, as was previously thought.

8.

Which gas, that is essential for life, was originally absent from Earth's atmosphere?

a)

oxygen

b)

carbon dioxide

9.

This gas, which is used by cyanobacteria during photosynthesis, was present in Earth's early atmosphere.

a)

carbon dioxide

b)

oxygen

10.

Which of these concepts supports the idea that life on Earth has changed over time?

a)

Fossil record

b)

Species

c)

Interspecies

d)

Trilobite