AP Bio - Unit 8 Review

What type of growth is shown in the diagram?

• exponential growth

• logistic growth

• predator-prey cycle

• boom-bust curve

Largest number of individuals of a population that the environment can support...

• carrying capacity

• population

• biome

• mutualism

What is the carrying capacity for this sheep population?

• 2.0 million

• 1.0 million

• 1.6 million

• 0.5 million

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If a disease destroying wheat plants in a field swept through an ecosystem, what would happen to the bird population that feed off of the wheat in the the field ?

• The bird population would stay the same

• The bird population would increase

• The bird population would decrease

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When a population grows past the ecosystem's carrying capacity, what most likley happens to the population?

• Continues to grow

• The population starts to die off to return to carrying capcity

• The population will go completely extinct due to lack of resources

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Any thing or organism that regulates the size of a population of another organism is known as __________.

• a limiting measure
• a limiting factor
• factorization
• materialization of precipitation

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Which of the following is an environmental influence on populations? (Select all that apply)

• density

• distribution

• age structure

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Which of the following best explains why there are seldom more than five trophic levels in a food chain?

• Most carnivores function at more than one trophic level
• Trophic levels about this numbers contain too many individuals
• Energy is lost from each trophic level
• The ecosystem contains too much biomass

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Which of the following is a primary consumer in this food web?

• Foxes
• Carrots
• Mice
• Owls

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Which point on the graph represents carrying capacity?

• A
• B
• C
• D