Food webs, cycling of matter and flow of energy

Front

What do the arrows in a food web represent?

Back

The arrows in a food web show the direction matter and energy are flowing.

Front

What is the primary use of nitrogen in cells?

Back

Cells use nitrogen to build life molecules.

Front

What happens to carbon dioxide levels in the atmosphere when fossil fuels are burned?

Back

Carbon dioxide levels in the atmosphere rise.

Front

What is the process called when rain, snow, or hail falls from the sky?

Back

This process is called precipitation.

Front

What is the correct equation for photosynthesis?

Back

6CO₂ + 6H₂O + ATP → 6O₂ + C₆H₁₂O₆.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the role of producers in a food web?

Back

Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food web.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water through evaporation, condensation, precipitation, and runoff.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil.