biodiversity Flashcards

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1
Q

individual

A

a single organism of a scpecies

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2
Q

population

A

a group or organisms from the same species living in the same area

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3
Q

community

A

several different species living in the same area

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4
Q

eco system

A

the interaction of a comunity or living organisma and with the non-living parts of the environment

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5
Q

habitat

A

a place where an organism lives

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6
Q

biodiversity

A

the veriety or life froms within a given ecosystem, biom or the world

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7
Q

what are the 3 levels of biodiversity ?

A

habitat
species
genetic

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8
Q

species diversity

A

the number of different species in an area

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9
Q

habitat diversity

A

the number of different habitats in an area

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10
Q

genetic diversity

A

the diversity in genes within a species

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11
Q

species richness

A

the number of different species in an area

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12
Q

species eaveness

A

the measure of the disprobution of abundance of the species in a community

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13
Q

simpsoms index of dencity equasion

A

D=1-(sum of (n/N)squared)

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14
Q

equation to find the proportion of polymorphic gene loci

A

number of gene loco / total number of loci

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15
Q

three catigorys for maintaining biodiversity

A

ecological
economic
aesthetic

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16
Q

ecological reasons to maitain biodiversity

A

protecting key stone species

more biodiverse ecosystems are more sustainable

17
Q

econamic reasons to maintain biodiversity

A

products from animal and plants materials can be traided

national parcks atract tourism

18
Q

aesthetic reasons to maintain biodiversity

A

cultural importance

positive impacts on mental health

reduce strain on the NHS

19
Q

exsitu-conservation

A

the conservation of a species outside of its natural habitat

20
Q

insitu-conservation

A

the conservation of a species inside ts natural habitat

21
Q

preservation

A

the protection of an ecosystem so that they are kept exactly as they are (nothing is removed , nothing is added , activities are restricted )