Biogeochemical Cycles

Multiple Select

Which of the following elements are included in the acronym CHNOPS?

• Carbon

• Helium

• Nitrogen

• Phosphorus

Open Ended

Explain what happens to energy when chemical bonds are formed and when they are broken.

Multiple Choice

What process do photosynthetic organisms use to absorb carbon compounds and create glucose?

• Respiration

• Photosynthesis

• Decomposition

• Fermentation

Open Ended

Describe two ways carbon is cycled between living and nonliving parts of the environment, based on the diagram and information provided.

Open Ended

Explain how hydrogen is involved in the water cycle and why it is important for living organisms.

Multiple Choice

Which process in the oxygen cycle involves animals taking in oxygen and releasing carbon dioxide?

• Photosynthesis

• Cellular respiration

• Transpiration

• Fermentation

Multiple Choice

How do plants contribute to the oxygen cycle according to the information provided?

• By absorbing oxygen and releasing carbon dioxide

• By absorbing carbon dioxide and releasing oxygen

• By absorbing nitrogen and releasing oxygen

• By absorbing water and releasing nitrogen

Multiple Choice

Which of the following statements best explains why nitrogen is important for living organisms?

• It is used to produce glucose in plants.

• It is a major component of DNA and proteins.

• It is responsible for cellular respiration.

• It is the main gas animals breathe.