B 17

Question 1

Biodiversity

Answer 1

This is a measure of the variety of all the different species of organisms on earth, within a particular ecosystem (ensures stability)

Question 2

Effects of increased human population

Answer 2

More and more land is used for building houses industrial purposes

Question 3

How are humans decreasing space for animals

Answer 3

Building, quarrying, farming and dumping waste

Question 4

Polluting water

Answer 4

Fertiliser in soil be washed into rivers by rain and untreated sewage.

Question 5

Formulation of acid rain

Answer 5

Fossil fuels often contain surfer impurities, which react with oxygen and burn together to form surfer dioxide gas, which dissolve into rain.

Question 6

Reasons for deforestation

Answer 6

To grow stable foods or get ingredients for oils

To rear more cattle

Grow crops to make biofuels

Question 7

Effects of climate change and rising sea levels

Answer 7

Loss of habitat

Changes in distribution

Changes in migration patterns

Reduced biodiversity