The Environment & Change Over Time

Choose all that are fossils.

• an insect found in amber

• dinosaur bones found in rock layers

• a feather of a large bird

• petrified wood

Foot prints found in mud that hardened and formed a rock is called:

• Molds

• Trace Fossils

• Casts

• Mineralization

A mammoth found in a glacier is an example of:

• molds and casts

• original material

• carbonization

• trace fossils

Petrified wood is an example of what fossil formation?

• mineralization

• carbonization

• trace fossils

• original material

Which of the following are sudden changes in the environment that can lead to extinction?

• volcanoes

• forest fires

• meteorites

• formation of mountains

Which of the following is an example of a gradual change in the environment?

• floods

• formation of mountains

• hurricanes

• tsunamis

When many species become extinct in a relatively short amount of time, this is known as:

• sudden extinction

• gradual extinction

• mass extinction

• large extinction

When scientists compare a layer of rocks to another to determine the approximate age of fossils, this is called:

• absolute-age dating

• relative-age dating

• rock-age dating

• fossil-age dating

Body structures of different species that are similar in structure and origin but differ in function are:

• homologous structures

• analogous structure

• vestigial structures

• similar structures

What ship did Darwin travel on to reach the Galapagos Islands?

• La Pinta

• La Niña

• HMS Beagle

• Royal Caribbean