Cycles of Matter Review

Front

What happens when water vapor cools in the atmosphere?

Back

It condenses and falls as rain.

Front

What is the significance of water in biochemical mechanisms?

Back

It participates in photosynthesis, digestion, and cellular respiration.

Front

What happens to phosphates in plant and animal waste?

Back

They return to the water.

Front

What is the role of nitrogen in the ecosystem?

Back

It is used in the formation of nucleic acids.

Front

Which of the following is NOT a macronutrient?

Back

Zinc.

Front

Define the water cycle.

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

Explain the term 'biogeochemical cycle'.

Back

A cycle that describes the movement of elements and compounds through living organisms and the environment.

Front

What is the role of decomposers in the ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil.

Front

Define 'macronutrient'.

Back

Essential nutrients required by organisms in large amounts for growth and development.