B18 - Biodiversity and ecosystems

Question 1

Biodiversity

Answer 1

The number and variety of different organisms found in a specified area.

Question 2

Biomass

Answer 2

Biological material from living or recently living organisms.

Question 3

Deforestation

Answer 3

Removal of forests by felling, burning, etc.

Question 4

Ecosystems

Answer 4

A biological community and the abiotic factors associated with it.

Question 5

Global warming

Answer 5

Warming of the Earth due to greenhouse gases in the atmosphere
trapping infra red radiation from the surface.

Question 6

Mycoprotein

Answer 6

A food based on the fungus Fusarium that grows and reproduces rapidly. It
means ‘protein from fungus’.

Question 7

Pyramids of
biomass

Answer 7

A model of the mass of biological material in the organisms at each level
of a food chain.

Question 8

Sustainable food

Answer 8

Methods of producing food which can be sustained over time without
destroying the fertility of the land or ocean.