Unit 4 Evolution Part B Fossil Review

If you were to compare a bird fossil from 2 million years ago with a bird fossil from 1 million years ago, what would you most likely discover?

• The fossils are the same.

• The fossils are different because changes occur over time.

• Both species are genetically identical to modern birds.

• The older birds were better adapted to their environment.

The diagram shows undisturbed sedimentary strata at the bottom of an ocean. Which of the following statements is true?

• The fossils in Layer 1 were formed before the fossils in Layer 4.

• Modern forms of life may have developed from earlier forms of life.

• Fossils are only found in sediments underneath the ocean.

• The fossils in Layer 1 must be less complex than those in Layer 4.

Which was the era in which the dinosaurs lived?

• Mesozoic

• Cenozoic

• Paleozoic

• Precambrian

Look at the image. Which layer is most likely the oldest?

• layer 1

• layer 2

• layer 3

• layer 4

Pick two examples of a body fossil from the fossil record.

• a tooth

• a bone

• a footprint

• a nest

• an egg

What type of fossil is this?

• resin

• body

• cast

• mold

What type of fossil is this?

• resin

• body

• cast

• mold

What is the following fossil?

• resin

• body

• cast

• mold

What type of fossil (an animal's footprint) is this?

• trace

• mold

• cast

• body

The table contains information about fossils. Draw a fossil record putting the organisms in order.

• A - B - C - D - E

• E - D - C- B - A

• E - B - A - D - C

• C - D - A - B- E