Human Impact -- Environmental Science

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

Tags

NGSS.MS-LS2-5

What do biologist call an ecosystem that has reached its maximum potential?

• Rainforest 
• Environment
• Climax Community
• Biome

Tags

NGSS.MS-LS2-4

Which human activity would preserve nonrenewable resources?

• deforestation
• removing carnivores from a forest 
• recycling
• heating homes with fossil fuels  

The acidity of a local stream would most likely be affected by

• a change in the percentage of decomposers living in the stream
• a new source of air pollution 
• a new predator species being introduced to the ecosystem
• a decrease in the amount of sunlight that reaches the stream

Which human activity would most likely deplete nonrenewable resources?

• use of natural enemies to eliminate insect pests
• development of wildlife refuges 
• governmental restriction of industrial pollution 
• increased use of fossil fuels

What may happen when a lake ecosystem becomes polluted with fertilizers or pesticides?

• increase in dissolved oxygen
• eutrophication
• .  increased rate of decomposition by detritivores
• increase in carrying capacity of the ecosystem

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following is a renewable resource?

• coal
• solar energy
• natural gas
• oil

Coal burning results in which of the following: 

• production of acid rain
• release of radiation
• increase in deforestation

Tags

NGSS.MS-ESS3-4

which is not a potential consequence of an oil spill.

• birds inability to fly due to their feathers being coated in heavy oil.

• death of animals due to their ingesting the oil.

• water temperature becomes completely irregular

• coastal areas contaminated with oil and dispersants.

Deforestation is a process in which rainforest are cut in order to plant oil palm trees. Which would not be a consequence of deforestation.

• increase in oxygen level produced by the tress

• loss of habitat

• increase in CO2 level

• increase in the burning of trees