(human growth) factors effecting biodiversity

Question 1

how does habitat loss impact

Answer 1

destroy natural environment for industry housing or agriculture

1) habitat destroyed or fragmented
2) inbreeding or local extinction
3) reduces biodiversity

Question 2

how does deforestation impact

Answer 2

forests cut for palm oil or cattle ranch

1) species diversity trees reduced
2) loss habitat
3) species may migrate to another area, increase biodiversity there but reducing in area left

Question 3

how does urbanisation impact

Answer 3

urban areas grow need more land and materials

1) areas natural environment destroyed
2) biodiversity loss

Question 4

how does overexploitation impact

Answer 4

people take resources faster than they can replenish

eg timber trees logged at faster rate than replanted
eg atlantic cod reduced by 95%

1) removal predatory animals such as fish means larger mammals are starved so further biodiversity loss

Question 5

how does pollution impact

Answer 5

burn fossil fuels so global warming
animals cant adapt and die

pollution of waters kill fish