Environmental Science Final Exam SG

Carbon is recycled mostly through

• transpiration
• photosynthesis and respiration
• condensation
• mountain formation

With fewer plants there will be greater ___ in the air. 

• O₂
• CO₂
• water
• respiration

Most of the nitrogen (N₂) is taken up from the atmosphere by...

• soil bacteria
• trees and flowering plants
• humans
• algae

_____ brings phosphorous into our waterways. .

• precipitation
• runoff
• transpiration
• condensation

What is one way that carbon enters the atmosphere?

• Sunlight
• Factory emissions
• Ocean uptake
• Rain

The movement of matter through the biosphere, geosphere, and atmosphere is called ___

• matter cycling
• biogeochemical cycle
• photosynthesis
• carbon fixation

Greenhouse gases....

• make plants green
• increase the temperature of the earth
• produce oxygen
• decrease the temperature of the earth

Mold and mushrooms belong to which kingdom? 

• Protista
• Plantae
• Fungi
• Animalia

In which way do animals obtain food? 

• Autotroph
• Heterotroph
• Both

In which way do plants obtain food? 

• Autotroph
• Heterotroph
• Both