The Living World Flashcards

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1
Q

ecosystem

A

a natural system made up of plants, animals and the environment. There are complex interrelationships between living and non living components

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2
Q

biotic

A

living

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3
Q

abiotic

A

non living

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4
Q

Tropical Rainforest:

A

Location: close to equator
characteristics: high temp, heavy rainfall

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5
Q

Desert:

A

Location: 30 degrees north and south of equator
characteristics: low and high temp, low rainfall

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6
Q

Polar:

A

Location: Arctic/Antarctic
characteristics: low temp (-50degrees)

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7
Q

Deciduous/coniferous forest

A

50-60 north of equator
deciduous shed leaves
coniferous are evergreen

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8
Q

Temperate grasslands

A

30-40 equator
away from coasts
warm dry summers
cold winters

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9
Q

mediterranean

A

hot sunny dry
pressure belts
olive/fruit trees

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10
Q

Tundra

A

low growing plants
moisture
cold/windy/dry

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11
Q

producers

A

convert energy from sunlight into sugars

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12
Q

consumers

A

get energy from sugar produced by the producers

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13
Q

decomposers

A

break down plant and animal material and returns nutrients to soil

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14
Q

food chain

A

shows links between producers and consumer in a line

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15
Q

food web

A

shows connections in a complex way

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16
Q

food chain vs web

A

chains are linear with one producer. a food web is made up of many chains and multiple

17
Q

how much of the worlds oxygen does the rainforest provide?

A

20%

18
Q

what are the layers of the rainforest

A

shrub, undercanopy, canopy, emergent

19
Q

biodiversity

A

the variety of plants and animal life in the world or in a particular habitat

20
Q

why does the rainforest have a high biodiversity

A

it doesnt have a fluctuating temperatures meaning plants can grow all year round

21
Q

symbiotic relationship

A

a relationship where both participants benefit mutually

22
Q

deforestation

A

cutting down trees on a large scale to make space for ther profit making endeavours

23
Q

in 2000-13 what size area did Malaysia lose?

A

denmark

24
Q

social impacts of deforestation

A

food,shelter,housing

25
Q

economic impacts of deforestation

A

agriculture, loss of earning

26
Q

environmental impacts of deforestation

A

24% greenhouse gas emmision
80% plants and animals habitats

27
Q

What are the threats to the rainforest

A

mining,logging,road building,population,farming,energy

28
Q

What is a cold environment

A

an area that experiences temperatures that are at or below zero for long periods of time