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Year 9 geography > Biomes > Flashcards

Biomes Flashcards

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1
Q

What is a biome?

A

A large community of animals and plants that occupies a specific region.

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2
Q

What is the biosphere?

A

Regions of the earth occupied by living organisms

-Contains all ecosystems

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3
Q

What are the levels within the biosphere?

A
  1. Biosphere
  2. Biome
  3. Ecosystem
  4. Community
  5. Population
  6. Species
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4
Q

What is an ecosystem?

A

Living and non living things that interact with each other - environment

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5
Q

What is an Aquatic Ecosystem?

A

Water based ecosystem - oceans , rivers

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6
Q

What is a terrestrial ecosystem?

A

Land based ecosystem

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7
Q

What is a biotic factor?

A

A living thing in an ecosystem (the organisms)

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8
Q

What is an Abiotic Factor?

A

Non living things

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9
Q

Give examples for Abiotic factors

A

Temperature
Rainfall
Salinity
Light availability

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10
Q

What is a Habitat?

A

Where an organism lives and it provides it with things for survival - area

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11
Q

Define Niche

A

The role an organism plays in an ecosystem

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12
Q

List the Main Biomes

A 
Desert - dry
Forest - wet
Savanna - in between grassland and forests
Grassland - grass
Tundra - cold
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13
Q

What do biomes explain?

A

How similar climates in a different place supports similar vegetation, on a global scale

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14
Q

How are biomes classified?

A

According to dominant vegetation within the area

Vegetation is based on soil and climate of area

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15
Q

How is a forest classified?

A

Lots of water availability , soil and heat

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16
Q

How are savannahs classified?

A

Transitional between grassland and forest

17
Q

How are Grasslands classified?

A

Moderate shortage of soil and water, adequate heat

18
Q

How are deserts classified?

A

Extreme shortage of soil and water, adequate heat

19
Q

How are tundra’s classified?

A

Insufficient heat to sustain vegetation

20
Q

What are the key factors affecting biome classification?

A

Rainfall and temperature

21
Q

What is Biodiversity?

A

The variety of plants and animals in an biome

22
Q

Why is Biodiversity important?

A

Because if a biome has high Biodiversity and one species is wiped, the others can still sustain and recover.

Resilience

Year 9 geography (2 decks)

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