Biodiversity Flashcards

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1
Q

Biodiversity

A

The variety of living organisms in an area

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2
Q

Population

A

Number of individuals of a particular species in a given area

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3
Q

Community

A

Biotic (living) components in an ecosystem.
This will include multiple populations of different species eg all the different bacteria, animals and plants and fungi

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4
Q

Habitat

A

The place where an organism lives

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5
Q

Ecosystem

A

The community (all the different populations) and the abiotic non living environment eg the habitat (water cycle, co2, temperature)

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6
Q

Ecosystem

A

The community (all the different populations) and the abiotic non living environment eg the habitat (water cycle, co2, temperature)

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7
Q

Local biodiversity

A

Variety of living organisms in a small local habitat such as a forest

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8
Q

Global biodiversity

A

Variety of species (living organisms) on earth

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9
Q

Where is global biodiversity greatest ?

A

At the equator and expands outwards

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10
Q

Species richness

A

A simple measurement of the number of different species in a community: a headcount of the different species in this community

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11
Q

Species evenness

A

The relative abundance of the different species in a community so the population sizes of each different species:
Eg relative to daisies, there are a lot more dandelions in this field. So not that even.

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12
Q

Index of diversity

A

An equation used to measure biodiversity to take the richness of the different number of species and the evenness of these species into account

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13
Q

Index of diversity calculation

A

Total number of organisms of all species x (Total number of organisms of all species-1)
Divided by
For every species, the number of organisms of that species x (the number of organisms of that species-1)

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