Chapter 5 - Populations Flashcards

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1
Q

Number of individuals per unit area.

A

Population Density

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2
Q

Movement of individuals into an area - this is a factor that can cause population to grow .

A

Immigration

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3
Q

The movement of individuals out of an area. This can cause a population decrease.

A

Emmigration

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4
Q

When individuals in a population reproduce at a constant rate.

A

Exponential Growth

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5
Q

When a population’s growth slows or stops following a period of exponential growth.

A

Logistic Growth

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6
Q

This is the maximum amount of individuals that a given environment can support.

A

Carrying Capacity

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7
Q

A factor that causes a population’s growth` to decrease

A

Limiting Factor

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8
Q

This is a limiting factor that depends on population size..

A

Density-Dependent Limiting Factor

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9
Q

The regulation of population by predation.

A

Predator-Prey Relationship

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10
Q

This is a limiting factor that affects all .populations in similar ways, regardless of population size.

A

Density-Independent Limiting Factor

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11
Q

Scientific study of human populations.

A

Demography

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12
Q

A dramatic change in birth and death rates.

A

Demographic Transitions

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13
Q

A type of model that demographers use to predict future population growth.

A

Age-Structure Diagram

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