4.2.1 biodiversity Flashcards

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1
Q

define biodiversity

A

biodiversity is a measure of the variety of life in an area

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2
Q

why is biodiversity important?

A

it helps maintain a balanced ecosystem as all species are interconnected

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3
Q

what does measuring biodiversity have an in important role in?

A

tell us what species are present to help their conservation

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4
Q

3 types of biodiversity

A

1) habitat biodiversity
2) species biodiversity
3) genetic biodiversity

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5
Q

define habitat biodiversity

A

the number of habitats in an area

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6
Q

the greater the habitat biodiversity, the …

A

the greater the species biodiversity in an area

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7
Q

define species

A

a group of closely related organisms that are similar to each other (physically and biochemically) and are able to interbreed to produce fertile offspring

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8
Q

what are the 2 components of species biodiversity?

A

1) species richness
2) species evenness

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9
Q

define species richness

A

the number of individuals of each species living in an area

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10
Q

define species evenness

A

a comparison of the numbers of individuals of each species living in a community

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11
Q

define habitat

A

place where an organism lives

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12
Q

define genetic biodiversity

A

measure of the variety of genes that make up a species

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13
Q

what can small genetic differences have large affects on?

A

small genetic differences can have large effects on the PHENOTYPE of an organism

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14
Q

what types of populations tend to be more healthy?

A

populations with HIGH genetic biodiversity are healthier than highly inbred populations with LOW genetic biodiversity

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