10.2 Flashcards

1
Q

Process of how the community changes over time

A

Ecological Succession

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2
Q

Succession starting with barren rock

A

Primary Succession

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3
Q

Starting after an enviroment is destroyed leaving a layer of soil.

A

Secondary Succession

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4
Q

The first colonizers: lichens, mossess, ferns, and bacteria

A

Pioneer Community

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5
Q

As soil improves, the life forms, and goes under many changes known as…

A

Seral Stages

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6
Q

A mature forest

A

Climax Ecosystem

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7
Q

The number of species

A

Species Richness

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8
Q

How similar the abundance of different species are

A

Species Eveness

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9
Q

Amount of genetic variation between individuals in the population

A

Gentetic Diveristy

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10
Q

How to find Shannon-Wiener Index

A

Determined by both the number of speiceis and the even distribution of indiciduals amoung these species. H= - SUM of (n1/N times the log of n1/n)

n1= indivudals in one species
N= total number accross all species.

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