Matter and Energy in Ecosystems

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

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

Where does the energy for photosynthesis come from?

Back

The sun.

Front

What gas is released during photosynthesis?

Back

Oxygen.

Front

What do animals give off during cellular respiration?

Back

Carbon dioxide and water.

Front

How do photosynthesis and cellular respiration relate to each other?

Back

Photosynthesis produces glucose and oxygen, while cellular respiration uses glucose and oxygen to produce energy, carbon dioxide, and water.

Front

What role do decomposers play in an ecosystem?

Back

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

Front

What is the primary source of energy for ecosystems?

Back

The sun.