Population Quiz

Exponential population growth can be described as

• growth when resources are limited

• a j-shaped curve

• a s-shaped curve

• growth that reaches carrying capacity

At what population was carrying capacity met?

• 250

• 1000

• 400

• 720

Logistic population growth can be described as

• growth when resources are limited

• a s-shaped curve

• reaching carrying capacity

• all of the above

What limits Population Growth?

• birth rates increasing

• resources being used up

• natural selection taking place

• none of the above

Density-independent limiting factors to population growth includes

• stress from overcrowding

• parasitism

• competition

• natural disasters

occurs when population slows or stops following a period of exponential growth.

• no growth

• population growth

• logistic growth

• exponential growth

Causes of death in a population may be-

• density dependent & density independent

• dispersion independent

• density independent

• independent density

what tells how fast a given population grows?

• population growth rate

• exponential growth model

• logistic growth model

• carrying capacity

A small island nation is tracking its total population.  It started with exactly 100 people. During the year, 10 people immigrated, while 20 emigrated.  The birth rate was 15, and the death rate was 5.  What is the new population of the country?

• 115

• 110

• 90

• No change; the population is still 100.

What is a population pyramid?

• A type of graph showing the number of males and females in different age groups.

• A type of graph showing the number of males in different age groups.

• A type of graph showing the number of females  in different age groups.

• A type of graph showing the number of males and females in only one age group.