CPG 6

Question 1

Low pressure characterised by?
High pressure?

Answer 1

Low - wet and cloudy
High - Dry

Question 2

Polar cells are associated with high or low pressure?

Answer 2

High - dry and cold conditions

Question 3

Tropical rainforests found in what conditions/ pressure

Answer 3

Low pressure, high temperature

Question 4

Two main factors affecting ecosystem distribution?
Rainforests
Desert
Tundra

Answer 4

Temperature and rainfall
E.g.
Rainforest - high temp, high rainfall
Desert - High temp, low rainfall
Tundra - Low temp, low rainfall

Question 5

Temperate forest vs boreal forest found in what regions. What sort of trees do each have?

Answer 5

Temperate forest - milder climates, more biodiversity, deciduous
Boreal - freezing/northern regions, evergreen (adapted for freezing temps)

Question 6

What is a tropical grassland and its conditions

Answer 6

savannah - very distinct wet and dry seasons

Question 7

How is tropical grassland vegetation adapted to survive?

Answer 7

Store water in wide trunks, fire resistant bark, drop leaves to conserve water in dry seasons.

Question 8

THREE ways in which human activity is affecting marine ecosystems

Answer 8

• overfishing
• tourism/destroying mangroves etc.
• pollution - from farming or otherwise