Environmental Science Populations

The pattern of spacing between individuals across the range of a population is its

• distribution.

• density.

• growth rate.

• habitat.

Density is the number of individuals of the same species in that live in a given unit of area. Which statement is TRUE for populations with high density.

• Tends to be less competition

• Less infectious disease

• Finding mates is easier

• More vulnerability to predators

What two factors increase the population size?

• Births

• Deaths

• Immigration (entering the area)

• Emigration (leaving the area)

Describe the population pyramid birth rate.

• Fast birth rate

• Slow birth rate

• No increase or decrease in birth rate

• Decreases quickly

Tags

NGSS.MS-ESS3-4

The dispersion pattern (distribution pattern) of a population describes the arrangement of individuals within a habitat at a particular point in time -

A large population of geese gathered together in a marsh is which type of dispersion?

• Random Dispersion

• Clumped Dispersion

• Uniform Dispersion

Density is the number of individuals of the same species in that live in a given unit of area. Which statement is TRUE for populations with low density. (There are 3 correct answers here.)

• Finding a mate is difficult

• More space

• More infectious disease

• More resources/food

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.

Number of deaths each year per 1,000 people

• population growth

• population density

• birth rate

• death rate

Which of the following best describes a population's carrying capacity?

• The maximum number of individuals an environment can support

• The number of individuals born each year

• The average lifespan of individuals in a population

• The genetic diversity within a population

What is the primary factor that limits the growth of a population in a given environment?

• Predation

• Food availability

• Climate change

• Genetic mutations

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4