4.1 Vocabulary Flashcards

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1
Q

What is a Variation?

A

Visible or invisible differences between individuals.

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2
Q

What is a Adaptation?

A

A variation that gives a survival advantage to an individual.

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3
Q

What is a Mutation?

A

Changes in the genetic material (DNA) of an ecosystem.

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4
Q

What happens during Selective Advantages?

A

What happens is that it increases the offspring’s chances of survival.

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5
Q

What happens during Selective Disadvantages?

A

What happens is that it reduces the offspring’s chances of survival.

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6
Q

What is Natural Selection?

A

The process whereby the characteristics of a population of organisms change over time because individuals with certain heritable traits survive specific local environmental conditions and, through reproduction, pass on their traits to their offspring.

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7
Q

What is Sexual Selection?

A

Selecting characteristics based on attracting a mate.

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8
Q

What is Selective Pressure?

A

Environmental condition or conditions that select for certain characteristics of individuals and select against others.

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9
Q

What is a Mutagen?

A

Something that causes an increased rate of mutation.

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10
Q

What is Biological Species?

A

A group of reproductively compatible populations.

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