Adaptations Lesson 2 Quiz 23-24

Front

Order of life forms from earliest to latest:

Back

Simple-celled -> Complex-celled -> Multicellular

Front

Evolution of horses: Fossil evidence shows that horses became larger with fewer toes.

Back

Correct conclusion: Horses became larger in size, with fewer toes.

Front

Observation of a jellyfish and shells on the beach: What will become fossils?

Back

The shells will become fossils, but the jellyfish won't.

Front

Mass extinction: When multiple species die off from Earth.

Back

Not just one organism, but many species face extinction.

Front

Observation of species doubling in fossil layers

Back

Increase in biodiversity

Front

Layer with increased biodiversity: B

Back

Correct answer: B

Front

Fossils in younger rock layers are __________ than in older layers.

Back

More complex.

Front

Fossil record shows no fossils of a species in upper sediment layers. What can be inferred?

Back

The species became extinct.

Front

Extinction of Fossil A

Back

Layer 3

Front

Diagram depicting a mass extinction event

Back