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Y9 Geography 2 > Living World > Flashcards

Living World Flashcards

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U.S. Geography flashcards World Geography flashcards
1
Q

What is an ecosystem?

A

a community of plants and animals that are diverse, but share characteristics

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2
Q

What is biotic?

A

a living thing

eg. trees, animals, bacteria

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3
Q

What is abiotic?

A

non-living things

eg. clouds, rocks, soil

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4
Q

What is niche?

A

the role of an organism

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5
Q

What are the parts of a food chain?

A

Producer -> primary consumer -> secondary consumer -> tertiary consumer-> decomposer

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6
Q

What is an example of a decomposer?

A

fungi and bacteria. breaks down material and returns the nutrients to the soil

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7
Q

What is a trophic level?

A

when the biomass gets smaller

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8
Q

How is some biomass lost?

A

Not all of the ingested material is used

A lot of the glucose is used in respiration with the h20 and c02

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9
Q

What is a producer?

A

something that converts energy from sunlight into sugar. eg. plants via photosynthesis

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10
Q

What is a consumer?

A

something that gets energy from eating the producer or another consumer

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11
Q

What is a food web?

A

something that shows alll the connections between producers and consumers in a more complex way than a food chain

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12
Q

What is the nutrient cycle?

A

The never-ending cycle of

biomass -> litter -> soil

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13
Q

Where is Epping forest?

A

east of london, england

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14
Q

How many trees were lost in the drought of 1976-77?

A

15 million

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15
Q

What is a global ecosystem

A

biomes with animals and plants adapted to their environment

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16
Q

What are the 5 biomes?

hint- p, d, g, t, t

A

polar, desert, grassland, temperate forest, tropical rainforest

17
Q

What are the 4 layers of the tropical rainforest?

A

emergents, canopy, under canopy, shrub layer

18
Q

What is the humus?

A

The top layer of soil

19
Q

What is the emergents?

A

huge trees, up to 50m

lots of sun, strong winds , at the top

20
Q

What is the canopy?

A

60-90 feet trees, covered with vines and plants
some sunlight
quite bright

21
Q

What is the under-canopy?

A

relatively open, young trees, plants, receive 2-15% of the sunlight

22
Q

What is the shrub layer?

A

receives under 2% of the sunlight
little grows, low rainfall
where decomposition occurs

23
Q

What is latosol?

A

An infertile, iron rich soil left after the nutrients have been leached away

24
Q

Name some plant features adapted to the rainforest

A

Red leaves- reflect sunlight while the leaf is young

Buttress roots,m thin bark, drip tips

Y9 Geography 2 (2 decks)

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