Evidence of Evolution L3

Front

_ fossils form when small creatures are trapped in tree sap and the sap hardens.

Back

Amber

Front

All of the fossils that have been discovered make up the _.

Back

fossil record

Front

Fossils that help fill in the gaps between two groups of organisms are called _

Back

transitional fossils

Front

A _ is the most recent species from which two different species have evolved.

Back

common ancestor

Front

The _ of a human arm are similar in structure to the bones in the front limbs of a cat and a bat.

Back

bones

Front

The greater the number of similarities between the molecules of any two species, the more recently the two species most likely shared a

Back

common ancestor

Front

What is involved in cellular respiration?

Back

cytochrome c

Front

_ evidence shows that life on Earth has changed over time.

Back

Fossil

Front

Which word means "the remains or imprints of once-living organisms found in layers of rock?"

Back

fossil

Front

Which word means "the history of life in the geologic past as indicated by the imprints or remains of living things?"

Back

fossil record