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Geography > The Living World Part 1 > Flashcards

The Living World Part 1 Flashcards

1
Q

What is an ecosystem

A

Is a community of organisms in an environment where living things and non living things interact with each other to survive

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2
Q

What is an example of a small scale ecosystem

A

A garden

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3
Q

What is an example of a large ecosystem

A

A rainforest

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4
Q

What are ecosystems also called

A

Biomes

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5
Q

What is a producer

A

Convert energy from the environment into glucose

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6
Q

What is a consumer

A

Get energy from the sugars produced by the producers

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7
Q

What is a decomposer

A

Break down dead organic matter and animal excretions and return nutrients to the soil

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8
Q

What is a food chain

A

Shows a single chain and possible path of that transfers energy and nutrients in an ecosystem

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9
Q

What is a food web

A

Show of all of the connectives and food chains in an ecosystem

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10
Q

Why at each tropic level is biomass and energy lost

A

Many parts are not eaten by animal
Energy is lost through respiration
Excretion

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11
Q

What is made when decomposers return nutrients to the soil

A

Humus

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12
Q

What is nutrient cycling

A

A recycling of important minerals and elements within an ecosystem for the growth of plants and minerals

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13
Q

What do the arrows shows in a food chain or web

A

Energy transfers

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14
Q

What is a flora

A

All plant life living in an ecosystem

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15
Q

What is a fauna

A

All animals living in an ecosystem

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16
Q

What are the two natural changes that could effect an ecosystem

A

Extreme weather events
Viruses or disease

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17
Q

What are the three human changes that could effect an ecosystem

A

Agriculture fertilises
Deforestation
Climate change

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18
Q

Where are tundra/cold desert found

A

These are found in the artic circle where the suns rays have little strength

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19
Q

What is the temp like in tundra zone

A

Below freezing for most of the year

20
Q

Where are coniferous forests found

A

60 ° north here winter temps are extremely cold due to lack of insulation

21
Q

Where are deciduous forests found

A

These grow in places with higher latitudes like the uk and Western Europe

22
Q

Where Are the Mediterranean found

A

Between 30 and 40 degrees north and south

23
Q

Where are hot deserts found

A

Found close to the tropics

24
Q

Where are tropical grasslands/savannah found

A

Between rainforest and desert

25
Q

Where are tropical rainforests found

A

Along the equator

26
Q

How much do rainforest cover earths surface

A

6%

27
Q

How much of the worlds wildlife live in a rainforest

A

More than half

28
Q

How much to deserts cover earths land surface

A

1/5 th

29
Q

Where is polar regions found

A

At the poles

30
Q

What is the temp like in polar regions

A

Below -50°

31
Q

What is the climate like in tropical rainforests

A

Warm and wet

32
Q

What is the average temp in a rainforest

A

26°

33
Q

What is the annual rainfall in a tropical rainforests

A

Above 2500mm

34
Q

What is the soil like in a tropical rainforest

A

Thin and poor

35
Q

How does the soil in a rainforest get nutrients

A

By nutrient cycling. Warm humid conditions cause litter to decompose quickly

36
Q

What makes soil in rainforest infertile

A

The rainfall washes away the nutrients

37
Q

What is solar insolation

A

Heat energy received from sun

38
Q

What is insolation

A

Is a measure of solar radiation energy received on a given surface area

39
Q

What is the angle of incidence

A

Is a measure of deviation of something ‘straight on’

40
Q

What are oblique rays

A

Larger area receives a lesser concentration of insolation per m

41
Q

What are vertical rays

A

Smaller area receives a greater concentration of insolation per m

42
Q

Is the sun tropical air high or low pressure

A

High

43
Q

Is the equatorial air high or low pressure

A

Low

44
Q

How do we represent temp on a climate graph

A

Line graph

45
Q

How do we represent rainfall on a climate graph

A

Bar chart

Geography (23 decks)

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