G4 Practice Test

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

• Preventing deer from depleting food resources

• Restoring a natural habitat

• Wildfire rangers minimizing disturbances

• A lumber company clearing a forest

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

All the following are ways humans can adversely change the ecosystem EXCEPT

• waste dumping

• using biodegradable products

• overhunting animals

• industrial pollution

The ecosystem of some dairy cows includes the fields in which they graze, eating the grass they need. Too many cows can be harmful to their ecosystem because they could -

• produce too much milk

• scare away predators

• raise the temperature

• remove all the vegetation

Click the examples of slow environmental changes (3)

• tsunami

• weathering

• global warming

• volcano

• soil erosion

Tags

NGSS.MS-ESS3-4

Click the examples of rapid environmental changes (3)

• tsunami

• weathering

• global warming

• earthquake

• landslide

Tags

NGSS.MS-ESS3-2

CFCs are good for the Ozone layer:

• True

• False

Tags

NGSS.MS-PS1-3

Which of the following would have a negative impact on an ecosystem

• constructing highways
• planting trees
• recycling paper

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-3

Which of the following activities has a positive effect on the environment?

• recycling
• deforestation
• pollution

Tags

NGSS.MS-ESS3-3

An ______________ is a system made up of all the biotic and abiotic factors in an area and all the interactions among them.

• ecosystem
• habitat
• population
• biodiversity

Tags

NGSS.MS-LS2-3

Which is NOT an example of a natural environmental change?

• a beaver dam
• a hurricane
• a volcanic eruption
• a housing development

Tags

NGSS.MS-ESS3-4