7th- Humans and Ecosystems Ch. 4:3

A known environmental problem caused by increased levels of CFC's in the atmosphere is _______________.

• global warming

• thermal pollution

• greenhouse effect

• ozone depletion

Which of the following results when levels of CO₂ in the atmosphere increase due to fossil fuel burning?

• ecological succession 
• acid rain 
• ozone depletion
• global warming

Tags

NGSS.MS-ESS3-5

Which of the following is NOT a method of energy conservation?

• taking public transportation to work (bus, subway)
• riding your bike to work
• walking to work 
• driving alone in your car to work

Fishermen have harvested certain fish to the point where the population of that fish is decreasing. This level of direct harvesting could cause

• ecosystems to be improved for future generations
• ecosystems to be severely damaged
• the restoration of environmental stability
• all other fish species to increase in number

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Pollution can cause harm to the ___________.  

• air
• land
• water
• all of the above

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Continued depletion of the ozone layer will most likely result in

• an increase in skin cancer among humans 
• a decrease in atmospheric pollutants 
• an increase in marine ecosystem stability 
• a decrease in climatic changes

____________ is the addition of harmful materials to the environment.

• pollution
• ecotourism
• conservation
• recycle

Tags

NGSS.MS-ESS3-3

To __________ means to collect old, used materials, and to process them and make them into new items.  

• compost
• decomposer
• litter
• recycle

Which of the following results when nitrogen and sulfur-containing compounds mix with water in the atmosphere?

• global warming
• ozone depletion 
• acid rain
• thermal pollution

Which of the following results when levels of CO₂ in the atmosphere increase due to fossil fuel burning?

• ecological succession 
• acid rain 
• ozone depletion
• global warming