1) People And The Biosphere

Question 1

What is a biosphere

Answer 1

Living layer of earth

Question 2

What is the biosphere divided up into

Answer 2

Biomes

Question 3

What is a biome

Answer 3

Large area charactarized by certain types of plants and animals

Question 4

3 types of biomes

Answer 4

Tundra - grasses
Boreal forest - coniferous trees
Temperature deciduous forest - deciduos trees

Question 5

What is the location and characteristics lf a biome determined by

Answer 5

Climate as this affects the growth of plants

Question 6

What are 3 main climate festures for tye location of a biome

Answer 6

Temperature- most plants need temp 5 degrees + to grow
Precipitation- plants need water
Sunshine snd intensity- affects photosynthesis

Question 7

Where are forest biomes found

Answer 7

Areas of low pressure and high rainfall

Question 8

What are some examples of local factors

Answer 8

Rock and soil type
Water availability and drainage
Altitude

Question 9

How does rock and soil type affect plant growth

Answer 9

Rocks undergo chemical weathering which release chemicals and nutrients into soil. The acidity/alkalinity of soil infkuences the plants that will grow there

Question 10

How does water availability and drainate afrect plant growth

Answer 10

Some plants can grow with their roots in waterlogged soil whereas some cant

Question 11

How does altitude affect the biomes with plant growth

Answer 11

At high altitudes below freezint temperstures are common which limits the types of plants that can grow
Treee cannot grow above treeline as temperatures are too cold

Question 12

What is biotic

Answer 12

Once living such as plants and animal

Question 13

What is abiotic

Answer 13

Not living stuff such as atmosphere, water, rock and soil

Question 14

What are large areas of biomes cleared for

Answer 14

Commercial farming
Construction of dams for hydroelectric power
Timber to make paper

Question 15

Why doee commercial exploitation of biomes take place

Answer 15

Provides profits for TNCs , jobs for people and income for governments

Question 16

Why are biomes so important

Answer 16

They keep the atmosphere in balance by regulating the levels of carbon dioxide. Without them natural hazards such as flooding would be much more common

Question 17

What was the malthusian view

Answer 17

He believed that population would eventually outstrip food supply which woulf cause a high demsnd in the resources

Question 18

What was the boserupiam view

Answer 18

She believed that as population grows humans invent new ways of producing more food ( through use of technology)

Question 19

What kind of climate do temperature deciduous forests need

Answer 19

Mild climate

Question 20

What do biomes provide humans with

Answer 20

Goods and services
Goods- physical material such as timber from trees or fish caught in a lake
Services - the prevention methods of flooding

Question 21

What are large areas of biomes cleared for

Answer 21

Commercial crops such as palm oil, cocoa beans or cereals
Timber - used to make paper
Commercial farming particularly for beef cattle ranching

Question 22

What are carbon sinks

Answer 22

Natural stores for carbon containing chemical compounds such as co2