Populations and Resources Amplify Test

What is a population?

• a group of the same type of organism living in the same area

• a group of similar organisms in an ecosystem

• a group of people attending a movie

• a group of different types of organisms in the same area

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

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

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 population of tigers lives in Bangladesh. Over 50 years, the size of the tiger population increased. What best explains the increase in the size of the tiger population?

• A lot of tigers were born and none of them died.

• The tiger population is always increasing because no animal eats tigers.

• Fewer tigers were born than died.

• More tigers were born than died.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Check all the things that could be found in an ecosytem.

• animals

• plants

• rocks

• streams

Tags

NGSS.MS-LS2-3

Which of the following is a type of organism that is a resource population?

• grass

• mice

• lions

• krill

Tags

NGSS.MS-LS2-1

What is a limiting factor in an ecosystem?

• A) A factor that increases the population size indefinitely.

• B) A factor that causes a population to stop growing.

• C) A factor that has no effect on the population size.

• D) A factor that only affects plant populations.

Tags

NGSS.MS-LS2-4

Which of the following is an example of a renewable resource?

• A) Coal

• B) Oil

• C) Solar energy

• D) Natural gas

In a food chain, what role do producers play?

• A) They consume other organisms for energy.

• B) They decompose organic material.

• C) They convert solar energy into chemical energy.

• D) They are at the top of the food chain.

Tags

NGSS.MS-LS2-3