Unit 5: Adaptations vocabulary Flashcards

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1
Q

Adaptation

A

A change by which an organism or species becomes better suited to its environment.

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2
Q

Dichotomous key

A

A tool used to identify species of organisms using opposing observable characteristics.

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3
Q

Natural selection

A

Organisms better adapted to their environment tend to survive and produce more offspring.

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4
Q

Population

A

All of the members of a species living in a particular area at a particular time.

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5
Q

Physiology

A

The way in which a living organism or bodily part functions.

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6
Q

Selective breeding

A

Making deliberate crosses of plants or mating of animals, so the offspring will have the desired characteristic derived from one of the parents.

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7
Q

Species

A

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.

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8
Q

Hibernation

A

A state of inactivity observed during the winter months.

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9
Q

Migration

A

Seasonal movement of animals from one region to another.

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10
Q

Dormancy

A

The state of having normal physical functions suspended or slowed down for a period of time (inactive).

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