Zoology Chapter 6

Scientific study of interactions among organisms and between organisms and their environment.

• Zoology

• Biology

• Ecology

• Genetics

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The place where an organism lives is called its ecological niche.

• True

• False

The range of variation in an environmental parameter that is compatible with the life of an organism.

• tolerance range

• geographic range

• community

• ecosystem

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Organisms that obtain their nutrients or food from consuming other organisms.

• Autotrophs

• producers

• heterotrophs

• moochers

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Population growth in which the number of individuals increases by a constant multiple in each generation

• Logistic growth

• carrying capacity

• ecological growth

• exponential growth

The constraints that climate, food, space, and other environmental factors place on a population is called environmental resistance.

• True

• False

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The maximum population size that an environment can support.

• Population limit

• limiting factor

• carrying capacity

• density dependent factor

Environmental parameters that are more severe when the population density is high, such as disease.

• Density Independent factor

• Density dependent factor

• carrying capacity

• natural disasters

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Competition among members of the same species is called symbiosis.

• True

• False

The type of symbiosis in which both species benefit is called

• parasitism

• canabilism

• commensalism

• mutualism