ES Semester 1 Unit Energy flow

Front

What is the process by which plants convert CO₂ into organic molecules like sugar?

Back

Photosynthesis

Front

What are the primary elements combined by bacteria near plant roots to form ammonia, ammonium, nitrites, and nitrates?

Back

Nitrogen, hydrogen, and oxygen

Front

What are fossil fuels like coal and oil primarily made from?

Back

Remains of organisms that lived millions of years ago.

Front

What can happen to organisms that do not decompose naturally?

Back

They can be buried and become fossil fuels.

Front

What happens to sugar in the bloodstream according to the carbon cycle?

Back

It becomes available for cellular respiration.

Front

Define photosynthesis.

Back

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

Front

What is cellular respiration?

Back

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What role do decomposers play in the ecosystem?

Back

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

Front

What is the carbon cycle?

Back

The series of processes by which carbon compounds are interconverted in the environment.

Front

What is nitrogen fixation?

Back

The process of converting nitrogen gas from the atmosphere into ammonia or related compounds in soil.