Unit 7 Vocab Flashcards

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1
Q

physical rather than biological; not derived from living organisms.

A

Abiotic

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2
Q

relating to or resulting from living things, especially in their ecological relations.

A

Biotic

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3
Q

a variety of organisms in an ecosystem or biome

A

Biodiversity

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4
Q

a dominant community of plants and animals that come to live in an area

A

Climax community

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5
Q

the changing sequence of communities that live in an ecosystem during a given time period

A

Ecological succession

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6
Q

a condition or resource that keeps a population at a certain size

A

Limiting factor

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7
Q

a small or specialized habitat within a larger habitat

A

Microhabitat

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8
Q

first organisms to live in an area

A

Pioneer species

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9
Q

a process that develops a biotic community in a previously uninhabited and barren habitat with little or no soil

A

Primary succession

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10
Q

process started by an event that reduces an already established ecosystem to a smaller population of species

A

Secondary succession

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11
Q

ability to maintain ecological processes over long periods of time; ability of an ecosystem to maintain its structure and function over time

A

Sustainability

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12
Q

a large naturally occurring community of flora and fauna occupying a major habitat, e.g. forest or tundra.

A

Biome

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13
Q

an introduced organism that negatively alters its new environment

A

Invasive Species

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