APES Unit 1 Review

The major biological source of dissolved oxygen in the ocean comes from

• decomposition of organic sediments on the ocean floor

• oxidation of sulfur by bacteria in ocean vent communities

• photosynthesis by phytoplankton

• respiration by zooplankton

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NGSS.MS-LS1-6

Which of the following best describes soil in many tropical rain forests?

• They are permanently frozen

• They are nutrient rich due to leaf litter from winter

• They are identical to grassland soils

• They are nutrient poor due to high competition from plant species

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NGSS.MS-LS2-1

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Exemplified by moss growing on a tree trunk in a forest

• commensalism

• mutualism

• parasitism

• predation

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NGSS.MS-LS2-2

Exemplified by bees consuming nectar and carrying pollen from one flower to another

• commensalism

• mutualism

• competition

• predation

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NGSS.MS-LS2-2

NGSS.MS-LS1-4

Which of the following statements is true of aquatic biomes?

• Freshwater and marine biomes are evenly distributed on Earth.

• Freshwater biomes are a vital source of drinking water.

• Freshwater biomes supply a greater portion of Earth’s oxygen than marine biomes

• Marine biomes include streams, rivers, ponds, and lakes.

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NGSS.MS-LS2-1

Two bird species coexist by feeding on the same type of insects in different parts of a tree. One bird species hunts insects near the top of the tree. The other bird species hunts insects near the base of the tree. Which of the following concepts is demonstrated between the two bird species?

• predator/prey

• mutualism

• resource partitioning

• parasitism

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NGSS.MS-LS2-2

Which aquatic biome provides the benefits of flood control, protection from storms, water filtration, and groundwater recharge?

• rivers and streams

• wetlands

• lakes

• open ocean

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NGSS.MS-ESS2-4

Suppose that a new predator of the rabbit migrated to this ecosystem. What is the most likely initial effect on the other organisms?

• More competition among the mice for food

• More competition among the hawks for food

• Less competition among snakes for food

• Less grass available for food

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Resource partitioning

• occurs in mutualisms.

• can occur through morphological differences between competing species.

• can cause the extinction of a competing species.

• is not the result of behavioral changes

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NGSS.MS-LS2-1

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Which interaction harms both species involved?

• Competition

• Predation

• Parasitism

• Commensalism