Biology 2021 Populations

The area inhabited by a population is called its

• geographic range

• Age structure

• Density and distribution

• Growth rate

determines whether the size of the population stays the same, increases, or decreases over time

• geographic range

• Age structure

• Density and distribution

• Growth rate

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The number of individuals per unit area

• geographic range

• Age structure

• Density

• Growth rate

Individuals of a population may be observed to be clumped, uniform or random

• geographic range

• Age structure

• distribution

• Growth rate

group of organisms of a single species that lives in a given area

• population

• ecosystem

• community

• ecology

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Populations will grow if there is a high rate of

• births and immigration

• deaths and emigration

• deaths and immigration

• births and emigration

Populations will get smaller if there is a high rate of

• births and immigration

• deaths and emigration

• deaths and immigration

• births and emigration

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Under ideal conditions with unlimited resources, a population will grow at a _____ rate.

• exponential

• mathematical

• arithmetic

• logistic

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When a population’s growth slows and then stops, following a period of exponential growth, it is called _____ growth.

• exponential

• mathematical

• arithmetic

• logistic

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The maximum number of individuals of a particular species that a particular environment can support

• natural increase

• density independent

• carrying capacity

• density dependent

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