Populations

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

• It will increase

• It will decrease

• It will stay the same

• It will fluctuate

The largest number of individuals of a population that the environment can support is the...

• carrying capacity

• population crash

• lag phase

• mutualism

What is the carrying capacity for this sheep population?

• 1.9 million

• 1.6 million

• 1.25 million

• 1.0 million

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When a population grows past the ecosystem's carrying capacity, what happens to the population?

• The population continues to grow

• The population will go extinct due to limited resources

• The population starts to die off to return to carrying capacity

• The population grows, then finds a new carrying capacity

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Food, water, sunlight, shelter, and space are that keep populations from growing exponentially are called...

• food chains

• ecosystems

• communities

• limiting factors

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following are examples of density-dependent limiting factors in a rabbit population? (Check all that apply)

• increase in predators

• climate

• disease

• amount of sunlight

• competition for food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which statement sounds accurate based on the graph data?

• The zebra and lions do not affect each other.

• When lion population increases, so does the zebra population.

• When the zebra population increases, it causes the lion population to also increase.

• When zebra populations increase, the lion population decreases.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A j-shaped curve is a representative model of what type of growth?

• exponential growth

• logistic growth

• minimal growth

• linear growth

A population is...

• All of the living and nonliving things in an area

• Multiple species that live in one area

• A group of one species in one area

• None of these

What point on the graph represents the carrying capacity?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-4