Biogeochemical Cycles

Decomposition is found during which of the following cycles?

Choose all the apply.

• Phosphorus

  Cycle

• Carbon

  Cycle

• Nitrogen

  Cycle

• Water Cycle

Nitrogen is found in which of the following:

• Fats

  (lipids)

• Nucleic Acids

  (DNA + RNA)

• Proteins

• Carbohydrates

  (Sugar + Starch)

Which of the following is evaporation of water from plants?

• Precipitation

• Nitrification

• Transpiration

• upllift

The Phosphorus cycle is important because phosphorus is contained in

• sugars

• DNA

• proteins

• starches

Carbon Dioxide (CO₂) is released in which of the following processes?

• photosynthesis

• decomposition

• combustion

• cellular respiration

Animals get the carbon they need by

• Nitrogen fixation

• photosynthesis

• cellular respiration

• ingestion of plants and animals

In the carbon cycle, the only process that removes CO2 from the atmosphere is

• combustion

• cellular respiration

• decomposition

• photosynthesis

The main way nitrogen is removed from the atmosphere and changed into a form plants can use is

• Nitrogen Fixation

• Nitrification

• Ammonification

• Denitrification

Each process in the nitrogen cycle is carried out by

• bacteria

• mice

• cows

• plants

Decomposers include which of the following?

• plants

• fungi

• bacteria

• algae