Chemical Control - Ecosystems Flashcards
1
Q
What are the two ways to control pests’ population?
A
Chemical control and biological control.
2
Q
What is biological control?
A
This is when predators of a pest or competitors to a pest are introduced into an area in order to destroy or control the pests’ population.
3
Q
What are pesticides?
A
Pesticides are chemicals that are used to control animals that compete with humans for food crops. This is called chemical control.
4
Q
What are fungicides?
A
These are chemicals that are used to kill fungi.
5
Q
What are herbicides?
A
Herbicides are chemicals that are used to kill plants that compete with crops for sunlight, water and nutrients.
6
Q
What are fumigants?
A
Fumigants are gas forms of chemicals used to control pests.
