APES 2.4

Various sources of pollution and energy have entered the biosphere as a result of human activities. Collectively, we call these _______________ sources.

• Anthropogenic

• Natural

• Industrial

• Gas-based

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2.4

ecological tolerance is also known as

• fundamental niche

• realized niche

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2.4

The abiotic conditions under which a species can survive and reproduce is called its

• species diversity

• realized niche

• geographic range

• fundamental niche

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2.4

What is causing the 6th mass extinction?

• anthropogenic causes

• global cooling

• mass species extinctions

• vast increase in species biodiversity

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2.4

What is the term for the range of conditions that an organism can withstand?

• Ecological range

• Ecological tolerance

• Ecological resilience

• Ecological resistance

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2.4

Which of the following best describes the difference between a species' fundamental niche and its realized niche?

• The fundamental niche describes the potential range of physical and biological conditions that a species can exist within, while the realized niche describes the range of conditions that it actually exists within due to ecological constraints.

• The realized niche describes the potential range of physical and biological conditions that a species can exist within, while the fundamental niche describes the range of conditions that it actually exists within due to ecological constraints.

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2.4

What term is used to describe the range of conditions that an organism can withstand?

• Ecological Tolerance

• Ecological Resistance

• Ecological Resilience

• Ecological Stability

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2.4

Which of the following factors does not influence an organism's ecological tolerance?

• Temperature

• Humidity

• Light intensity

• Color of the organism

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2.4

How does a low level of ecological tolerance affect a species?

• It increases the species' ability to adapt to environmental changes

• It decreases the species' ability to adapt to environmental changes

• It has no effect on the species' ability to adapt to environmental changes

• It increases the species' ability to reproduce

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2.4

Which best describes a factor that might prevent a species from shifting its geographic range in response to a changing climate?

• a slow rate of environmental change

• a highway build through a native species' habitat

• a new tract of forest planted to combat the effects of deforestation

• a new law preserving thousands of acres of forest from logging

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2.4