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AQA Geography > Living World (Tropical Rainforests) > Flashcards

Living World (Tropical Rainforests) Flashcards

1
Q

What is an ecosystem?

A

community of plants and animals interacting in a physical environment

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2
Q

What is a biome?

A

large ecosystem found on regional scale

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3
Q

What is a biome characterized by?

A

flora
fauna
climate

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4
Q

What is nutrient cycling?

A

organisms extracting minerals for growth from soil and water before passing on to food chain

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5
Q

What are biotic factors?

A

living parts of ecosystem

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6
Q

What are abiotic factors?

A

non living parts of ecosystem

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7
Q

What is a microhabitat?

A

small scale habitat

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8
Q

Give an example of a microhabitat

A

tree

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9
Q

What is a biosphere?

A

all living organisms in world and their physical environment

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10
Q

What is a producer?

A

organism that uses sunlight energy to produce food

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11
Q

What is a consumer?

A

organism that gets energy from eating other organisms

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12
Q

What is a decomposer?

A

organism that gets energy from breaking down dead material

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13
Q

What is a herbivore?

A

eats plants

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14
Q

What is a meat eater?

A

carnivore

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15
Q

Give examples of produces on Reigate Heath

A

heather
gorse

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16
Q

What is heather?

A

dominant plant thrives from acidic, nutrient poor soils
acts as shelter for insects and birds

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17
Q

What is gorse?

A

shrub that offers shelter and food for insects and birds

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18
Q

Give examples of primary consumers on Reigate Heath

A

rabbits
Silver-studded blue butterfly

19
Q

Give examples of secondary consumers on Reigate Heath

A

Dartford warbler
weasel

20
Q

Give examples of tertiary consumers on Reigate Heath

A

kestrel

21
Q

Give examples of decomposers on Reigate Heath

A

fungi
bacteria
detritivores

22
Q

What are fungi?

A

species that decompose leaf litter and dead wood, releasing nutrients back into soil

23
Q

What are bacteria?

A

decompose organic matter, facilitating nutrient cycling

24
Q

What are detritivores?

A

insects such as beetles and worms, feed on decomposing organic matter

25
Q

What is photosynthesis?

A

conversion of sunlight into energy, producing biomass

26
Q

What is herbivory?

A

consuming plant matter

27
Q

What is decomposition?

A

dead matter broken down by decomposers

28
Q

What is soil enrichment?

A

decomposed organic matter enriches soil, promoting plant growth

29
Q

How are interrelationships highlighted on Reigate Heath?

A

gorse offers nesting sites for Dartford warbler
decomposers ensures soil enrichment occurs for plant growth

30
Q

List 4 humans activities on Reigate Heath and the effect this could have on the ecosystem

A

golfing - litter / artificial / noise
parking - fumes / noise
roads - roadkill
pub - litter / noise

31
Q

What are the two main sources of nutrients in an ecosystem?

A

rainwater washing chemicals out of atmosphere
weathered rock releases nutrients

32
Q

What is biomass?

A

living animals and plants

33
Q

How are nutrients spread on Reigate Heath?

A

relatively equal

34
Q

How do nutrients transfer from biomass to leaf litter?

A

fallout as tissue dies

35
Q

What is leaf litter?

A

dead matter on floor

36
Q

How do nutrients transfer from leaf litter to soil?

A

decomposes

37
Q

How do nutrients transfer from soil to biomass?

A

uptake from plants

38
Q

Where are coniferous forests located?

A

60 degrees North

39
Q

Where are deciduous forests located?

A

50 degrees North

40
Q

Where are deserts located?

A

30 degrees North and South

41
Q

Where is the Mediterranean located?

A

40-45 degrees North
isolated pockets - West Australia and South Africa

42
Q

Where is tundra located?

A

Arctic
Antarctica
high latitudes
Canada
Siberia

43
Q
A

AQA Geography (12 decks)

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