Ecosystem

Which type of relationship is it when both organisms benefit?

• mutualism

• parasitism

• commensalism

Which type of relationship is it when one organism benefits and the other is harmed?

• mutualism

• parasitism

• commensalism

Which type of relationship is it when one organism benefits and the other is not affected?

• mutualism

• parasitism

• commensalism

Which type of transportation has the smallest ecological footprint?

• airplane

• car

• walking

• biking

Which group has the least impact on the environment?

• Indigenous peoples

• early settlers

• people in modern cities

Tags

NGSS.MS-ESS3-4

Which of the following is a basic human need?

• water

• hot shower

• air conditioning

• telephone

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-1

These come from the environment and provide us with our needs:

• natural resources

• manufactured resources

• natural recycling

• non-renewable resources

Tags

NGSS.MS-ESS3-4

Melting down a plastic container to make a plastic ruler is an example of:

• reduce

• reuse

• recycle

Buying second hand clothes is an example of:

• reduce

• reuse

• recycle

Buying bulk cereal instead of a box of cereal is an example of:

• reduce

• reuse

• recycle