Ms. Brazina’s evolution review

Front

A change in a trait or characteristic that increases an organism’s ability to survive and reproduce.

Back

adaptation

Front

The theory that organisms best adapted to their environment are more likely to survive and reproduce.
"Survival of the fittest."

Back

Natural selection

Front

Why is this variation best for survival? Options: longer claws for fighting, longer legs for running faster, bigger ears for better hearing, fur color that blends in to its environment

Back

fur color that blends in to its environment

Front

How will this mice population most likely change in the future? Options: The white mice will go extinct., The grey mice will go extinct., All of the mice will grow longer fur., All of the mice will grow longer claws.

Back

The white mice will go extinct.

Front

What characteristic of populations is observed when individuals of a goat species have slightly different sizes and colors?

Back

variation

Front

If scientists were to compare the fossil of a fern that lived millions of years ago with other fern fossils that were formed later, what would they most likely find?

Back

that plants change over time

Front

Which of these answer BEST describes a fossil?

Back

fossils are remains or traces of once-living organisms found in layers of rock or ice, or in amber.

Front

The diagram below shows a portion of the fossil record in sedimentary rock. Different rock layers and fossils are clearly visible.

Back

Layer A contains the most recently formed fossils.

Front

Gradual change of a species over time

Back

Evolution

Front

Millions of fossils that scientists have collected

Back

fossil record