Succession & Organisms And Their Environment

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Ecosystem

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A smaller part of the biosphere consisting of the organisms and nonliving features that interact in an area

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Biodiversity

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The variety of organisms in an ecosystem

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Population

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Made up from all of the organisms in an ecosystem that belong to the same species

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Habitat

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The place in which an animal lives

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Biome

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Large geographic areas with similar climates and ecosystems (i.e., desert, tundra, etc.)

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Species

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A group composed of related individuals that usually resemble one another and have adapted to a particular set of resources within their environment.

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Sustainability

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The ability to tolerate. In ecology, the word describes how biological systems remain diverse, productive, and balanced over time.

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Abiotic

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Nonliving factors in the environment (i.e., light, temperature, water, atmospheric gases, wind, soil, and

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Biotic

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Organisms living or that had once lived in the environment (i.e., mouse, clover, dead tree)

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succession

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helps maintain a balance (or equilibrium) in an ecosystem

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Primary succession

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involves the growth of plant life in a newly developed area defined by rock and other minerals and either no or very little soil (NO SOIL) examples include: a newly formed volcanic island or when a glacier recedes

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Secondary succession

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involves the growth of plant life in an area that previously saw growth, but was destroyed for any reason (after a natural disaster) so still has soil

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Pioneer species

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The first Species to inhabit land which has not yet been settled, (such as a newly formed volcanic island or after a forest fire) examples: grasses, lichens or mosses, and wildflowers

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Microhabitat

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an extremely localized, or small scale environment such as a tree stump or a dead animal

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Stimulus

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something that prompts a change in an organism’s behavior

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Instinct

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inborn behavior pattern animal performs correctly the first time

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Migration

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the movement of a group of organisms from one place to another, usually due to a change in season

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Colonize

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to be the first to inhabit or settle into a new environment

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Adaptation

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is something a plant, animal or ecosystem has or does that helps it to survive in its environment, can be structural, behavioral, or physical

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Behavior adaptation

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functions of animals that help them survive

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Physical adaptation

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a body part that helps an animal or plant survive