Ch. 5. Interactions

The use of fertilizers in agriculture has significantly altered several nutrient cycles including

•   nitrogen.

•   carbon.

•   hydrologic.

•   oxygen.

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NGSS.MS-LS2-3

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The chief limiting factor to the success of most trout species is

•   the ability to reproduce.

•   the dissolved oxygen content in water.

•   the amount of plant biomass in the water.

•   low water temperature.

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Grazing animals and the grasses they eat have both evolved in response to each other's influence. This process is known as

•   coevolution.

•   extinction.

•   competitive exclusion principle.

•   interspecific competition.

Which of the following is an example of an abiotic factor?

•   the number of individuals of a particular species living in a community

•   the interactions between different species in a community

•   the diversity of prey and predator species in a community

•   the climate of the community in which the species mentioned above inhabit

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NGSS.MS-LS2-3

Biting insects that transmit parasites are known as

•   vectors.

•   endoparasites.

•   keystone species.

•   primary consumers

Which of the following is an example of a detrital food chain?

•   a coniferous forest

•   sewage treatment plant

•   open lake

•   salt marsh

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NGSS.MS-LS2-3

Natural selection is the process that determines

•   who an individual mates with.

•   which scientist publishes their experiments.

•   which individuals within a species will reproduce and pass their genes to the next generation.

•   how active an animal is at night.

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Which of the following ecosystems is a major carbon sink.

•   tundra

•   rain-forests

•   rivers

•   sewage treatment plants

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NGSS.MS-LS2-3

Ecologists look at organisms and how they

•   interact with their surroundings.

•   similar they are.

•   relate to urban food islands.

•   influenced bedrock formation.

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This concept states that no two species can occupy the same ecological niche in the same place and the same time.

•   natural selection

•   genetic drift

•   competitive exclusion principle

•   niche