AP Biology Ecology

J-Shaped curves

• show a decline after an increase
• display populations that have reached carrying capacity
• represent exponential growth
• does not depend on the numbe rof resources

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NGSS.HS-LS2-1

A herd of zebras would be considered a

• community
• species
• ecosystem
• population

Two organisms of different species exist in a relationship in which each individual benefits from the activity of the other:

• commensalism
• parasitism
• herbivory
• mutualism

This population pyramid shows that 

• the Ukraine population is in a rapid decline
• the Ukraine population is in a rapid increase 
• the Ukraine population is in a stable and steady state
• men outlive women in the Ukraine

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NGSS.HS-LS2-2

NGSS.HS-LS2-6

Where an organism lives is its -

• niche
• ecosystem
• habitat
• home

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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NGSS.MS-LS2-3

All of the following are density-dependent factors that limit animal populations EXCEPT.

• weather
• predation
• food competition
• birthrate

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NGSS.MS-LS2-1

Which organism contains the most energy?

• Rabbit
• Grains
• Birds
• Mice

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NGSS.MS-LS2-3

Which of the following is an autotroph?

• Carrots
• Birds
• Mice
• Grasshopper

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NGSS.MS-LS1-6

Which of the following is an omnivore?

• Rabbit
• Carrots
• Owls
• Birds

Tags

NGSS.MS-LS2-4