Humans and their environment

Question 0

What are bogs?

Answer 0

Areas of land which are acidic and waterlogged

Question 1

What human activities reduce land and resources? (4 marks)

Answer 1

Building
Farming
Dumping waste
Quarrying

Question 2

What is peat made from?

Answer 2

Partly rotted plants

Question 3

When peat is burned what gas is given off?

Answer 3

Carbon dioxide

Question 4

What are the natural stores of carbon dioxide?

Answer 4

Oceans, lakes and ponds
Green plants
Peat bogs

Question 5

Do we need the greenhouse effect?

Answer 5

Yes

Question 6

Which two gases are the most concerning with regards to global warming?

Answer 6

Carbon dioxide and methane

Question 7

What are the effects of global warming?

Answer 7

Rising temperatures
Rising sea levels
Glaciers melting
Changes to distribution of organisms
Changes to migration patterns
Less biodiversity

Question 8

What are biofuels made from?

Answer 8

Fermentation of natural products anaerobically. Often sugar cane from maize starch

Question 9

How is biogas made?

Answer 9

Anaerobically fermented waste materials

Question 10

Is it more efficient to be a vegetarian or a meat eater?

Answer 10

Vegetarian - fewer trophic levels

Question 11

How is energy lost in farm animals?

Answer 11

Through respiration
Movement
Urine and faeces

Question 12

How can we make fishing sustainable?

Answer 12

Have fishing quotas

Control net size

Question 13

What is the proper name for Quorn?

Answer 13

Fusariam

Question 14

What is deforestation?

Answer 14

Cutting down of forests for:
Timber
Paper
Housing
Farming