Intensive Farming - Pest Control & Fish Farming

Question 1

what do pesticides do

Answer 1

pesticides kill insect pests

Question 2

what’s a negative side effect of pesticides

Answer 2

these chemicals often contain heavy metals that build-up in food chains. They often reach the top apex predators at deadly levels.

Question 3

what is biological control

Answer 3

a species that is a predator of a pest is introduced

Question 4

why must biological control be monitored very closely

Answer 4

as introducing a species into a non-native habitat risks it becoming an invasive species

Question 5

what disadvantages are there of using pesticides

Answer 5

1) Many pesticides, such as DDT, are toxic to other species as well as to the pest.
2) Pesticides can build up in a food chain, and reach deadly levels in predators.

Question 6

what is fish rich in

Answer 6

fish is rich in protein