Population Dynamics

A part of the environment that keeps a population's size at a level below its full potential is called a _________________ .

• cooperation

• limiting factor

• competition

• carrying capacity

What type of interaction occurs when beech and maple trees are in the same forest? 

• cooperation

• competition

• cohabitance

Tags

NGSS.MS-LS2-2

Which of the following populations is most likely to go extinct?

• a very small population in an unstable environment

• a moderate-sized population of r strategists

• a large population with lots of genetic variability

• all would be equally likely to go extinct

Tags

NGSS.HS-LS4-5

A population is...

• A group of one species in one area

• Multiple species that live in one area

• All of the living and nonliving things in an area

• None of these

There are about _________ people alive right now.

• 2.6 billion

• 7.9 billion

• 10.6 billion

• 79.0 billion

Which of the following is a density independent limiting factor?

• competition for resources

• predation

• disease

• natural disasters

As a population of a species increases within a territory, which of the following most likely also increases?

• Immigration

• Food supply

• Carrying capacity

• Competition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is a density dependent limiting factor?

• pollution

• food

• climate change

• hurricane

Tags

NGSS.MS-LS2-1

The graph below represents the growth of a population of flies in a car? Which of the following statements best describes the graph?

• The fly population did not change.

• The fly population decreased, then increased.

• The fly population grew following the logistic growth model.

• The fly population grew following the exponential growth model.

Population control factors whose effects increase as the size of the population increases are

• abiotic factors

• density-dependent factors

• limiting factors

• density-independent factors

Tags

NGSS.MS-LS2-4