Biogeochemical Cycles Quiz

The process of plants losing water through their leaves is called

• Precipitation

• Evaporation

• Condensation

• Transpiration

How does Carbon in a grass plant get into a lion?

• The lion eats the grass

• carbon from grass doesn't end up in a lion

• the lion breathes in carbon given out by the plant

• the carbon is in the food the lion eats

Which one of these does not add CO₂ to the atmosphere?

• cooking with gas

• burning wood

• planting a tree

• riding in a car

How does a cow transfer carbon to other parts of the environment?

• It releases CO₂ through respiration

• It releases carbon as waste

• It transfers carbon to humans when we eat it

• All of the above are correct

Which gas makes up 78% of our atmosphere?

• CO₂

• Oxygen

• Nitrogen

• Water vapor

How do animals get nitrogen

• from drinking water

• lightning storms

• breathing it in

• eating other organisms

Nitrogen gas is turned in to a form that plants and animals can use in the process called

• decomposition

• nitrogen fixation

• photosynthesis

• respiration

Which cycle is shown

• Carbon cycle

• water cycle

• nitrogen cycle

• phosphorus cycle

Which cycle is shown?

• carbon

• water

• nitrogen

• phosphorous

Which cycle is shown

• carbon

• water

• nitrogen

• phosphorus