Evidence of Evolution

Front

What do fossils show about the evolution of life forms?

Back

Fossils show how life forms present today are different than those from the past.

Front

Which layer of sedimentary rock is the youngest?

Back

Layer 1 is the youngest.

Front

What are similar structures with different purposes found in different species called?

Back

Homologous structures.

Front

What is the collection of life's remains found in sedimentary rock?

Back

The fossil record.

Front

What is a structure that has lost its original function through evolution?

Back

Vestigial structure.

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural selection.

Front

What term describes the preserved remains or traces of organisms from the past?

Back

Fossils.

Front

What is the significance of sedimentary rock layers in understanding evolution?

Back

Different sedimentary rock layers provide evidence for how the environment has changed over time.

Front

What are structures that are similar in different species due to shared ancestry?

Back

Homologous structures.

Front

What is the term for the study of the distribution of species and ecosystems in geographic space and through geological time?

Back

Biogeography.