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5.1: Evidence for Evolution

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Define "evolution".

Understanding: Evolution occurs when heritable characteristics of species change.

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Terms in this set (33)

Define "evolution".

Understanding: Evolution occurs when heritable characteristics of species change.

Evolution is the change in the heritable characteristics of biological populations over successive generations. Through evolution, new species may arise from pre-existing species.

Image: *Define "evolution".*

Understanding: Evolution occurs when heritable characteristics of species change.

Define "species."

Understanding: Evolution occurs when heritable characteristics of species change.

A species is defined as a group of individuals that actually (or potentially) interbreed to produce viable, fertile offspring.

Image: *Define "species."*

Understanding: Evolution occurs when heritable characteristics of species change.

Define "heritable trait."

Understanding: Evolution occurs when heritable characteristics of species change.

Heritable traits are those that are entirely based in genetics.

Image: *Define "heritable trait."*

Understanding: Evolution occurs when heritable characteristics of species change.

Define "fossil record."

Understanding: The fossil record provides evidence for evolution.

A fossil record is a group of fossils which has been analyzed and arranged in chronological and/or taxonomic order.

Image: *Define "fossil record."*

Understanding: The fossil record provides evidence for evolution.

Define "strata" in relation to the fossil record.

Understanding: The fossil record provides evidence for evolution

Fossils are often contained in rocks that build up in layers called strata. The strata provide relative timeline, with layers near the top being newer and layers near the bottom being older.

Image: *Define "strata" in relation to the fossil record.*

Understanding: The fossil record provides evidence for evolution