biological control of pests

Question 1

what is the biological control of pests?

Answer 1

when another organism such as a predator or parasite is used to kill pests

Question 2

what are the advantages of biological control?

Answer 2

. specific to a particular pest
. the pest doesn’t develop resistance to the predator
. once the predator is established theres no need to introduce it at a later date

Question 3

what are the disadvantages of biological control?

Answer 3

. theres a delay between introducing the predator and seeing results
. it doesn’t ever completely erradicate pests only brings the levels down