photosynthesis

Question 1

where nitrogen fixing bacteria may be

Answer 1

in the roots of leguminous plant nodules

Question 2

pyramid of biomass and number meaning

Answer 2

mass of living material and number of organisms at the stage of the food chain

Question 3

effects of increasing population

Answer 3

more space is needed for housing, industry, transport and agriculture which may destroy wildlife habitats

Question 4

what does the environmental impact assessment decide

Answer 4

where the develpment goes ahead, refused or modified to reduce effect on wildlife

Question 5

4 types of intensive farming

Answer 5

fertilisers pesticides disease control battery farming

Question 6

fertilisers use and danger

Answer 6

farmers use to replace or provide more nutrients however can run into lakes and rivers which negatively impacts wildlife

Question 7

pesticides use and danger

Answer 7

chemicals that kill farm pests such as rats howverr can run into water and pollute it and carried in foodchain

Question 8

disease control use and effct

Answer 8

antiobiotics prevents animals from becoming ill so they cab grow and less death occurs however during meat preparation or consumption, antibiotic resistance bacteria can be passed on to

Question 9

battery farming use and effect

Answer 9

restricts animals movement so less energy is lost so more meat howverr disease cab be spread more easily which is costly to farmers and people think its cruel conditions and our duty to take care of them and treat them humanely