human impacts on environment

Question 1

what is biodiversity

Answer 1

variety of different species of organisms on earth

Question 2

what does high biodiversity mean

Answer 2

stable ecosystem , less dependant on 1 species

Question 3

what does deforestation do and why do we do it

Answer 3

removed biodiversity , less co2 taken in , soil erosion
land used cor farming , quarrying , mining , houses , urbanisation

Question 4

what are peat bogs

Answer 4

large amounts of decaying matter ( slow decay)

Question 5

what do peat bogs releas when burnt

Answer 5

carbon dioxide

Question 6

what are advantages of peat bogs

Answer 6

cheap energy for locals , variety of organisms

Question 7

what are disadvantages of peat bogs

Answer 7

take long to regrow / decay again

Question 8

what causes acid rain

Answer 8

sulphur and nitrogen

Question 9

what is global warming and what is it caused by

Answer 9

heating up of earth , green house gasses , fossil fuels , methane in farming

Question 10

what does global warming do

Answer 10

melts icecaps , more insect spread disease, migration patterns change , loss of habitats

Question 11

what are the types of pollution and give examples

Answer 11

water -> feces in water ways , fertilisation
land -> landfills
air -> greenhouse gases , smog

Question 12

what are good about ecosystems

Answer 12

climate regulation , food , clean water , balance in nature

Question 13

how can we maintain biodiversity

Answer 13

protected area
educating others
awareness
renewable energy
wetlands