3.2 Community Composition Flashcards

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1
Q

What does ecological succession mean?

A

the process by which the mix of species and habitat in an area changes over time

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2
Q

What does primary succession mean?

A

when a new area of land is populated by a group of species for the first time

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3
Q

What does secondary succession mean?

A

when a climax community or intermediate community is impacted by a disturbance

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4
Q

What does pioneer species mean?

A

species that first colonize new habitats created by disturbance

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5
Q

What does seral stages mean?

A

an intermediate stage found in ecological succession in an ecosystem advancing towards its climax community

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6
Q

What does climax community mean?

A

An ecological community in which populations of plants or animals remain stable and exist in balance with each other and their environment

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7
Q

What does species richness mean?

A

the number of species within a defined region

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8
Q

What does species evenness mean?

A

the measure of the relative abundance of different species within a community

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8
Q

What does genetic diversity mean?

A

the range of different inherited traits within a species

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9
Q

What does ecological diversity mean?

A

the diverse array of ecosystems being seen in a huge geographical location

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