unit 5:Adaptations 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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