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Cards In This Set
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Which of the following is a biotic factor in the prairie ecosystem?
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Grass
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The place where an organism lives and that provides the things the organism needs is called its
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Habitat.
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The smallest unit of ecological organization is a single
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Organism.
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Which of the following is an example of a population?
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The gray wolves in a forest
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If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is
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4 beetles per square meter.
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Counting the number of organisms in a small area and multiplying to estimate the number in a larger area is called
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Sampling.
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A group of antelope leaving the herd in search of better grassland is an example of
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Emigration.
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An approximation of a number, based on reasonable assumptions, is called a(n)
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Estimate
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The largest population that an environment can support is called its
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Carrying capacity.
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An organism’s particular role in its habitat, or how it makes its living, is called its
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Niche.
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The behaviors and physical characteristics of species that allow them to live successfully in their environment are called
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Adaptations.
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The struggle between organisms to survive in a habitat with limited resources is called
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Competition.
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When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is the
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Prey.
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A close relationship between two species that benefits at least one of the species is called
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Symbiosis.
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The Escherichia coli that live in your intestine and help break down food are an example of which type of interaction?
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Mutualism
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