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Cards In This Set
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Which is a biotic factor in the prairie ecosystem?
water, sunlight, soil, grass
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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?
the cats and dogs in your neighborhood
the bushes and grass in a park
the rocks in a rock collection
the gray wolves in a forest
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The gray wolves in a forest
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If you count 20 beetles in a graden measuring 5 square meters, the population density of the beetles is __________ beetles.
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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 allo them to live successfully in their environment are called _______________.
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Adaptations
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The struggle between organisms to survive ina habitat with limited resources is called ___________.
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Competition
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When a jellyfish paralyzes a tiny fish with its poisouous 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 E. coli that live in your intestine and halp to break down food are an example of which type of interaction?
competition
mutualism
parasitism
predation
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Mutualism
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