1 Food Chains Flashcards

1
Q

habitat

A

where an organism lives

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2
Q

population

A

all the organisms of one species in one ecosystem

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3
Q

community

A

all the organisms in an ecosystem

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4
Q

ecosystem

A

all the organisms in an area and the non living components with which they interact or habitat + community

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5
Q

abiotic factors

A

non living factors which affect biodiversity e.g. temperature, pH, light intensity, soil moisture

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6
Q

biotic factors

A

living factors which affect biodiversity e.g. grazing, predation

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7
Q

biome

A

region of our planet distinguished by their similar climate, plants and animals e.g. freshwater, desert

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8
Q

niche

A

role that an organism plays in a community e.g. predator

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9
Q

adaptation

A

inherited characteristic that makes an organism suited to survive in its environment

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10
Q

competition

A

where plants or animals need or are trying to get the same resources

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11
Q

light and water

A

2 things which plants compete for

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12
Q

food, mates, habitat

A

3 things which animals compete for

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13
Q

parasite

A

an organism which lives on or in another organism getting energy from it and harming it e.g. flea, tapeworm

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14
Q

food chain

A

diagram which shows energy flow between organisms

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15
Q

energy flow

A

what arrows in a food chain show

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16
Q

pyramid of numbers

A

diagram which shows numbers of organisms at each level of a food chain

17
Q

pyramid of biomass

A

diagram which shows total mass of living organisms at each level of a food chain

18
Q

pyramid of energy

A

diagram which shows the total energy content of each level of a food chain