BIO Population Ecology

The increase in population size by movement is called

• emigration

• growth rate

• immigration

• demography

Populations of species are described as

• density

• spatial distribution

• growth rate

• all of the above

What is the dispersion pattern of herding animals, birds that flock together, and fish that form schools?

• clumped

• random

• uniform

• unpredictable

The maximum number of organisms that an environment can support over along period of time is referred to the

• dispersion

• age structure

• demographics

• carrying capacity

Tags

NGSS.HS-LS2-1

Which factor would be considered density independent?

• an intestinal parasite

• a fatal virus

• a severe drought

• severe overcrowding

Which factor would be considered density dependent?

• competition

• drought

• water quality

• pH of the soil

What is the horizontal line on the graph called?

• exponential growth

• geometric growth

• carrying capacity

• straight-line growth

Tags

NGSS.HS-LS2-1

What can be concluded about the relationship between wolves and moose, based on this graph?

• Wolves prey on moose

• Moose prey on wolves

• Wolves and moose do not influence one another

• Wolves and moose cannot live in the same community.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Why don't mice in the wild reproduce at the rate shown in this graph?

• There are no limiting factors present.

• Resources are unlimited.

• Resources increase as the population increases.

• Limiting factors are present.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The size, density, and birth and death rates of human population are studied during

• age structure graphs

• demography

• exponential growth

• k strategist reproduction