Populations and Resources Quiz

An ecosystem is made up of ______ .

• living things and their offspring

• nonliving things such as rocks and soil

• living things and nonliving things

• many types of animals

Tags

NGSS.MS-LS2-3

What causes a population size to increase?

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

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

• The number of births and the number of deaths is equal.

Tags

NGSS.MS-LS1-4

What causes a population size to decrease?

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

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

• The number of births and the number of deaths is equal.

Tags

NGSS.MS-LS2-4

If the population size stays stable, does this mean that no organisms have been born or died?

• Yes, because if organisms were born or died that would change the number of organisms in the population.

• No, because if some organisms are born and the same number of organisms die, then the total population size can stay constant.

• Yes, because some organisms never die, so they don't need to reproduce.

• No, because all organisms will give birth and then die.

Based on this graph, what must be true about the US honeybee population?

• There are more births than deaths occurring.

• There are more deaths than births occurring.

• There is an equal number of deaths and births occurring.

• People don't like honeybees.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When something remains mostly the same over time it is said to have....?

• Uneventful

• Potential Energy

• Stability

• Boring

A large population of squirrels lives in a forest. In the last 50 years, the size of the squirrel population has stayed the same. What must be true about the squirrel population during the last 50 years?

• No squirrels were born and no squirrels died.

• Humans started protecting the squirrel population so they stopped dying.

• The squirrels did not have any baby squirrels during these years.

• The number of squirrels that were born was the same as the number of squirrels that died.

A consumer population is the population that....

• is eaten by others.

• eats others.

Tags

NGSS.MS-LS2-3

A resource population the population that....

• gets eaten by others

• eats others.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

If the resource population decreases, then the consumer population will....

• Increase

• Stay the same

• Decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4