Topic 8.3

Multiple Choice

What are population ecologists most concerned about?

• The overall population aesthetics

• The general quality of the population

• The population atributes that can be measured or calculated

• The quantity of the individuals in the population

Multiple Select

Population migration DiIRECTLY affects (Check all that apply)

• Population abundance

• Popuation distribution

• Population composition

• Population dynamics

Multiple Choice

Calculatulate the deer population growth using the following information:

25 deer born

10 deer deaths

17 deer entered the population from a nearby population

18 deer left the population

• 70

• 0

• 14

• 16

Reorder

The human population is estimated to peak at around 9 billion by 2050 as a result of multiple factors, including __1__.  Humans have the technology and __2__ to solve many resource problems and so might appear exempt from the direct influence of limiting factors. However, __3__ and land for food production are limiting factors likely to constrain __4__, at least regionally.

• falling birth rates

• production efficiency

• declining availability of water

• population growth

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Select

Why might exponential population growth occur?

• when resources are effectively unlimited

• in a small population

• in a large population

• when there are many predators and competition

• when there are unlimited resources

Match

Match the following

• r max

• biotic potential

• B

• N

• D

maximum per capita rate of population increase

also called r max

Births

population size

deaths

• maximum per capita rate of population increase

• also called r max

• Births

• population size

• deaths

Multiple Choice

r max __ actual r value

• =

• >

• <

• unrelated to the