AP Bio Unit 8 Ecology Quizizz Review

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

Which point on the graph represents carrying capacity?

• A
• B
• C
• D

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What do decomposers (bacteria and fungi) do in an ecosystem?

• They return nutrients to the soil
• They take nutrients OUT of the soil
• They return energy to the soil
• They make energy

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If the larvae of a particular species of mosquito are to survive to the adult stage, the eggs must be laid in the trapped pool of water of the northern pitcher plant. The mosquito larvae provide no apparent benefit or harm to the pitcher plant. This type of interaction is an example of

• commensalism

• mutualism

• parasitism

• competition

A group of interbreeding individuals occupying the same area is best called

• community
• population
• ecosystem
• symbiotic relationship

A species that exerts a large, positive impaction on its ecosystem is known as a:

• Keystone species
• Invasive species
• Indicator species
• Poached species

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Organisms with low birthrates and increased care of young, would follow which of the following survivorship curves?

• Type I

• Type II

• Type III

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Biomass refers to

• Chemical Energy
• Light Energy
• Rank in the feeding heirarchy
• Amount of living tissue at the tropic level

All of the following statements concerning characteristics of predator-prey relationship are correct EXCEPT:

• Camouflage is an adaptation that protects prey.
• A rise in the population of predators is followed by a decreased in the population of prey.
• A rise in the population of prey is often followed by a rise in the population of predators.
• The population of predators most often eliminates the population of prey

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