APES chapter 6 Quiz

Which is the correct order of ecological levels from basic to complex?

• Individual, population, ecosystem, biosphere, community
• individual, community, ecosystem, population, biosphere
• Individual,population, community, ecosystem, biosphere
• Ecosystem, biosphere,community, population, individual

Population distribution is

• often clumped in response to predation
• used by wildlife managers when regulating hunting and fishing
• measured relative to other species
• uniform in most tree species

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Which is true about a population's carrying capacity?

• it is denoted as "C"
• it is usually used when studying ecosystems
• it depends on a limiting resource
• it is controlled by density-independent factors

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NGSS.MS-LS2-1

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Which population is typically regulated by density-independent factors?

• algae
• predators
• Paramecium bacteria
• birds

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Which does NOT have a significant effect on the number of offspring produced by a population?

• population distribution
• sex ratio
• age structure
• population size

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The intrinsic growth rate of a population

• occurs at the population's carrying capacity

• depends on the limiting resources of the population

• increases as the population size increases

• only occurs under ideal conditions

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population growth using the exponential growth model

• increases at a constant rate
• applies to most populations only after a long time
• has an increasing intrinsic growth rate
• represents ideal conditions that rarely occur in natural populations

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An r-selected species characteristically has

• a type I survivorship curve
• few offspring
• a population near carrying capacity
• a fast population growth rate

Which is true of a population overshoot?

• it occurs when reproduction quickly responds to changes in food supply
• it is followed by a die-off
• it is most likely to be experienced by K-selected species 
• it rarely occurs in species with type III survivorship curves

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Inbreeding depression

• rarely occurs in highly connected metapopulations
• results from the creation of corridors between populations
• results in increased rates of reproduction
• occurs in species that are experiencing overshoot

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