Population Control

Question 1

What does a population comprise?

Answer 1

All the members of a species living in an area

Question 2

A number of factors reduce the population when numbers are high and increase the population when numbers are low, what do these factors have a direct affect on?

Answer 2

Birth rates and death rates

Question 3

When will birth rates increase?

Answer 3

When numbers in the population are low

Question 4

When will death rates increase?

Answer 4

When numbers in the population are high

Question 5

What is the increase in birth rates or death rates to maintain a balance in population numbers called?

Answer 5

The balance of nature

Question 6

What is the balance of nature?

Answer 6

The increase or decrease in birth and death rates to maintain a balance in population numbers

Question 7

What is the main advantage of the balance of nature?

Answer 7

This allows the population to remain close to the number of organisms that the habitat can support

Question 8

List four factors that control populations.

Answer 8

Competition
Predation
Parasitism
Symbiosis