Q2 Unit 3 Review Environmental Science

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What is Variation in the context of species?

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Variation refers to the differences in physical traits among individuals of the same species, which can be a result of genetic differences, environmental factors, or both.

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What is Commensalism?

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Commensalism is a type of symbiotic relationship where one organism benefits while the other is neither helped nor harmed.

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What is the relationship between bison and cowbirds?

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The relationship is an example of commensalism, where cowbirds benefit by eating insects disturbed by bison, while bison are unaffected.

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What is Competition in ecology?

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Competition occurs when multiple organisms vie for the same resource, such as food, water, or space, which can limit the availability of that resource.

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What defines a Mutual Relationship?

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In a mutual relationship, both organisms involved benefit from the interaction.

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What is Natural Selection?

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Natural Selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

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What is Homeostasis?

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Homeostasis is the ability of an organism to maintain stable internal conditions despite changes in the external environment.

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What is Extinction?

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Extinction is the end of an organism or a group of organisms, typically due to environmental changes, loss of habitat, or inability to adapt.

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What is Parasitism?

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Parasitism is a relationship where one organism benefits at the expense of another, often harming the host.

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What is an Epiphyte?

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An epiphyte is a plant that grows on another plant (usually a tree) for physical support but does not harm it, often to access sunlight.