Environmental 1

What is the definition of ecological footprint?

• The impact of a person on the environment.

• How much pollution an animal produces

• The impact of a person on their neighbors.

Tags

NGSS.MS-LS2-4

What does sustainability mean?

• Using only non-renewable resources.

• Avoiding the depletion of natural resources in order to maintain ecological balance.

• Using only fossil fuels.

Tags

NGSS.MS-LS2-5

When will populations stop increasing?

• When the number of deaths is greater than the number of births.

• When emigration is greater than immigration.

• Both A and B

In logistic growth, a population’s ______ is reached when the population can no longer grow in that environment.

• limiting factor

• density-dependent factor

• carrying capacity

Tags

NGSS.MS-LS2-4

What is the term for the members of a species that live in the same area at the same time?

• population

• species

• ecosystem

The largest population size a given environment can sustainably support is known as its

• logistic limit.

• carrying capacity.

• biotic potential.

Exponential growth curves are generally S shaped.

• True

• False

How does the logistic model of population growth differ from the exponential model?  

• the exponential model shows a restricted growth rate

• the logistic model considers the environment’s carrying capacity

• the graph of the logistic model never stops

Tags

NGSS.HS-LS2-1

Scientists studying squirrels in a forest observed that the squirrel population decreased over a period of five years. Which statement is the most likely explanation for the decrease in the population?

• The death rate was greater than the birth rate.

• The birth rate was equal to the death rate

•   The rate of immigration was equal to the rate of emigration.

Tags

NGSS.MS-LS2-4

The ______ explains how fast a given population grows.

• population growth rate

• dispersion

• demography