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Biology 8K > Interdepenence > Flashcards

Interdepenence Flashcards

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1
Q

Food security

A

Availability of food and being able to obtain it

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2
Q

Yield

A

Amount of useful product

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3
Q

Pesticide

A

Chemical applied to crops to destroy pest that damage crops

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4
Q

Monoculture

A

When a single crop is grown in a large field

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5
Q

Niche

A

Role of an organism in an ecosystem

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6
Q

Symbiosis

A

when both organisms in a dependent relationship benefit

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7
Q

Commensalism

A

type of symbiosis where one organism benefits and the other does not

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8
Q

Mutualism

A

type of symbiosis where both organisms benefit

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9
Q

Parasitism

A

type of symbiosis where one organism benefits but the other is harmed

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10
Q

Competition

A

struggle between different organisms for survival

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11
Q

Endangered

A

when there are so few of a species left that it could disappear altogether

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12
Q

Biodiversity

A

the range of different organisms within an ecosystem

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13
Q

Extinct

A

When a species or organism has died out

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14
Q

Vulnerable

A

When a number of species drops very low

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15
Q

Captive breeding

A

when animals are bred in zoos and wildlife reserves to try to conserve species

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16
Q

Fertiliser

A

A chemical put on soil to increase soil fertility and allow better growth of plants or crops

17
Q

Insecticide

A

Chemical applied to crops to destroy insects that damage crops

18
Q

Toxin

A

A substance that damages a living organism

19
Q

Bioaccumulation

A

increase in the concentration of a chemical as it is passed from one organism to another up a food chain

20
Q

Specialist

A

Organisms which a narrow niche

21
Q

Generalist

A

Organism which has a broad niche

22
Q

Resource partitioning

A

when species with similar needs use resources in slightly different ways

23
Q

Co-exist

A

different species of the same organism living successfully in the same community

24
Q

Variation

A

the range of characteristics across individuals of the same group

Biology 8K (3 decks)

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