Unit 4: Evolution

Change over time in a population; the process by which modern organisms have descended from ancient organisms

• Evolution

• Natural Selection

• Survival of the Fittest

• Evidence of Change

Collected body of data from observations and experiments to support a theory.

• Evolution

• Theory

• Evidence

• Evidence of Change

A proposed explanation for a wide variety of observations and experimental results. Evolution is a theory backed up by many different types of evidence.

• Evolution

• Theory

• Evidence

• Diversity

Variety within a population.

• Evolution

• Theory

• Evidence

• Diversity

All the fossils throughout the history of the Earth that are used as evidence of evolution.

• Fossils

• Fossil Record

• Sedimentary Rock

• Species

Preserved remains of once-living organisms

• Fossils

• Fossil Record

• Sedimentary Rock

• Species

A rock that forms from compressed or cemented layers of sediment

• Fossils

• Fossil Record

• Sedimentary Rock

• Species

A group of similar organisms that can breed and produce fertile offspring.

• Fossils

• Fossil Record

• Sedimentary Rock

• Species

A trait that helps an organism survive and reproduce.

• Adaptations

• Camouflage

• Mimicry

• Migration

A type of adaptation that allows and organism to blend in with its surroundings

• Adaptations

• Camouflage

• Mimicry

• Migration