Biological Control of Pest

Question 1

What is biological control?

Answer 1

When another organism (such as a predator or parasite) is used to kill pests

Question 2

Why is biological control used?

Answer 2

Because chemicals used to control pests can poison the environment

Question 3

What are 3 advantages of biological control?

Answer 3

~It is specific to a particular pest
~Once the predator is established, there is no need to re-introduce it at a later date
~The pest does not develop resistance to the predator

Question 4

What are 2 disadvantages of biological control?

Answer 4

~There is a delay between introducing the predator and a reduction in the pest
~It does not completely eradicate the pest, only brings its number down to acceptable levels