Evolution Flashcards

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1
Q

Mutation

A

A mutation is a lasting change in a gene or chromosome, usually caused by a mistake during DNA replication. Mutations can be good, bad, or neutral.

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2
Q

Artificial Selection / Selective Breeding

A

Breeding is the process of putting two organisms together on purpose to get children with a certain trait or to get rid of a certain trait.

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3
Q

Structural Adaptation

A

an inherited change in physical features that helps organisms survive
Ex: longer necks in turtles to reach food

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4
Q

Adaptation

A

A trait that has spread because it helps an organism survive and reproduce. Structural or behavioral.
Ex: migration in winter

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5
Q

Natural Selection

A

Over time, the population becomes more suited to that environment.
Ex: faster antelopes survive to pass down traits

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6
Q

Behavioral Adaptation

A

an inherited change in behavior that helps organisms survive or avoid harm

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7
Q

Genetic Variation

A

There are differences in a species’ genetics that add to the gene pool.

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8
Q

DNA Replication

A

the process by which cells duplicate their DNA

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9
Q

Law of Independent Assortment

A

The way that each pair of chromosomes breaks apart randomly, making different gametes.

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