Biological Control of Pest Flashcards Preview

(A) Biology (Biodiversity and Environment) > Biological Control of Pest > Flashcards

Flashcards in Biological Control of Pest Deck (4)
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1

What is biological control?

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

2

Why is biological control used?

Because chemicals used to control pests can poison the environment

3

What are 3 advantages of biological control?

~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

4

What are 2 disadvantages of biological control?

~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