Bennett Biology - Ecology

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Last updated 2:06 PM on 6/4/26
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33 Terms

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ecology

Scientific study of interactions among organisms and between organisms and their environment

<p>Scientific study of interactions among organisms and between organisms and their environment</p>
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ecologist

Studies animals and the way they interact with their environment

<p>Studies animals and the way they interact with their environment</p>
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symbiosis

A relationship in which two different organisms live in close association with each other

<p>A relationship in which two different organisms live in close association with each other</p>
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mutualism

A relationship between two species in which both species benefit

<p>A relationship between two species in which both species benefit</p>
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commensalism

A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited

<p>A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited</p>
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parasitism

A relationship between two organisms of different species where one benefits and the other is harmed

<p>A relationship between two organisms of different species where one benefits and the other is harmed</p>
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habitat

Place where an organism lives

<p>Place where an organism lives</p>
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niche

the role of an organism in its habitat, or how it makes its living

<p>the role of an organism in its habitat, or how it makes its living</p>
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predator

An animal that hunts other animals for food

<p>An animal that hunts other animals for food</p>
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prey

Animal hunted or caught for food

<p>Animal hunted or caught for food</p>
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competition

A common demand by two or more organisms upon a limited supply of a resource; for example, food, water, light, space, mates, nesting sites. It may be intraspecific or interspecific.

<p>A common demand by two or more organisms upon a limited supply of a resource; for example, food, water, light, space, mates, nesting sites. It may be intraspecific or interspecific.</p>
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consumer

An organism that eats other organisms

<p>An organism that eats other organisms</p>
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producer

An organism that can make its own food.

<p>An organism that can make its own food.</p>
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herbivore

A consumer that eats only plants.

<p>A consumer that eats only plants.</p>
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carnivore

An animal that eats other animals

<p>An animal that eats other animals</p>
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omnivore

An animal that eats both plants and animals

<p>An animal that eats both plants and animals</p>
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decomposer

An organism that breaks down wastes and dead organisms

<p>An organism that breaks down wastes and dead organisms</p>
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food chain

A series of steps in which organisms transfer energy by eating and being eaten

<p>A series of steps in which organisms transfer energy by eating and being eaten</p>
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food web

A complex arrangement of interrelated food chains illustrating the flow of energy between interdependent organisms.

<p>A complex arrangement of interrelated food chains illustrating the flow of energy between interdependent organisms.</p>
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organism

A living thing

<p>A living thing</p>
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population

A group of individuals that belong to the same species and live in the same area

<p>A group of individuals that belong to the same species and live in the same area</p>
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community

A group of interdependent organisms inhabiting the same region and interacting with each other

<p>A group of interdependent organisms inhabiting the same region and interacting with each other</p>
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ecosystem

A system formed by the interaction of a community of organisms with their physical environment

<p>A system formed by the interaction of a community of organisms with their physical environment</p>
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biome

A group of ecosystems with similar climates and organisms

<p>A group of ecosystems with similar climates and organisms</p>
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biosphere

Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere.

<p>Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere.</p>
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abiotic

Non-living

<p>Non-living</p>
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biotic

Living

<p>Living</p>
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adaptations

Changes in physical structure, function, or behavior that allow an organism or species to survive and reproduce in a given environment.

<p>Changes in physical structure, function, or behavior that allow an organism or species to survive and reproduce in a given environment.</p>
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camouflage

The hiding of something as a result of its appearance

<p>The hiding of something as a result of its appearance</p>
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resources

Items needed to survive: water, air, space, light, shelter

<p>Items needed to survive: water, air, space, light, shelter</p>
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carrying capacity

The largest population that an area can support

<p>The largest population that an area can support</p>
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limiting factors

Conditions in the environment that put limits on where an organism can live

<p>Conditions in the environment that put limits on where an organism can live</p>
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energy pyramid

A diagram that shows the amount of energy that moves from one trophic level to another in a food web

<p>A diagram that shows the amount of energy that moves from one trophic level to another in a food web</p>