Community Interactions Quiz Vocabulary 2023-24

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15 Terms

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ecology

the study of the interrelationships of organisms and their nonliving environment. "study of our house"

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community

all the interacting populations within an ecosystem

<p>all the interacting populations within an ecosystem</p>
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predator

an animal that obtains food primarily by killing and consuming animals

<p>an animal that obtains food primarily by killing and consuming animals</p>
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prey

an animal taken by a predator as food

<p>an animal taken by a predator as food</p>
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intraspecific competition

interaction in population ecology, whereby members of the same species compete for limited resources.

<p>interaction in population ecology, whereby members of the same species compete for limited resources.</p>
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interspecific competition

members of different species compete for a shared resource.

<p>members of different species compete for a shared resource.</p>
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symbiosis

a close interaction between organisms of different species over an extended period of time. Includes parasitism, commensalism, and mutualism.

<p>a close interaction between organisms of different species over an extended period of time. Includes parasitism, commensalism, and mutualism.</p>
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mutualism

a symbiotic relationship in which both participating species benefit ( + +)

<p>a symbiotic relationship in which both participating species benefit ( + +)</p>
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commensalism

symbiotic relationship in which one species benefits and the other is neither helped nor harmed (+ 0)

<p>symbiotic relationship in which one species benefits and the other is neither helped nor harmed (+ 0)</p>
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parasitism

a symbiotic relationship in which one organisms (commonly smaller and more numerous than its host) benefits by feeding on the other, which is normally harmed but not immediately killed (+ -)

<p>a symbiotic relationship in which one organisms (commonly smaller and more numerous than its host) benefits by feeding on the other, which is normally harmed but not immediately killed (+ -)</p>
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Ecto-parasite

An organism, generally an arthropod, that attaches to or lives on the skin of its host and derives nutrients.

<p>An organism, generally an arthropod, that attaches to or lives on the skin of its host and derives nutrients.</p>
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Endo parasite

parasite that lives inside its host

<p>parasite that lives inside its host</p>
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altruism

behavior by an animal that benefits others of its species but that is not beneficial to or may be harmful to itself

<p>behavior by an animal that benefits others of its species but that is not beneficial to or may be harmful to itself</p>
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Reciprocity

behaviors in which individuals help other group members out with the expectation that they will be helped in return

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Cooperation

behaviors that improve the fitness of both individuals