Human Impact on Ecosystems

Toxins accumulate in the tissues of organisms as they pass through a food chain/web.

• eutrophication
• biomagnification
• ecological succession
• symbiosis 

Tags

NGSS.MS-LS2-4

problem caused by increased levels of CFC's in the atmosphere

• global warming
• thermal pollution 
• greenhouse effect
• ozone depletion

Which of the following issues is the cause of the other environmental impacts caused by humans?

• pollution
• human population growth
• climate change
• habitat destruction 

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 is a finite resource?  

• solar energy 
• wind energy
• trees
• fossil fuels 

Which of the following ecological problems is NOT the result of burning fossil fuels? 

• greenhouse effect
• ozone depletion 
• climate change 
• acid rain

Which trophic level in a food web would accumulate the LEAST amount of a toxin, such as methylmercury or DDT?

• autotrophs
• primary consumers 
• herbivores
• secondary consumers 

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-ESS3-4

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

Tags

NGSS.MS-PS3-5

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-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5