Define Population Growth.

Why do they live in a population?

What is environmental resistance and name some examples.

Define Carrying Capacity.

Define Immigration and Emigration

Name factors which can affect population size?

-Describe Population Fluctuations.
-What happens below, on and over the set point?

Comp
What do plants and animals compete for?

Comp
Describe intra specific competition?

Comp
Describe Inter-specific competition?

Define Pest Control?

Typical Nature of pests?

Define Chemical Control and how it can be applied?

What is a pesticide?

What are the advantages of Chemical control?

What are the disadvantages of Chemical control?

How Biological control works?

Advantages of Biological Control?

Disadvantages of Biological Control?

Describe carbon cycle?

Describe Nitrogen Cycle?

How can humans improve the circulation of nitrogen?