Matter and Energy 5

Plants need ________from the air for photosynthesis

• oxygen

• soil

• carbon dioxide

• sugar

The products (what they make) of photosynthesis are

• water and carbon dioxide

• oxygen and water

• sugar and cabon dioxide

• oxygen and sugar (glucose)

The main source of energy for all life comes from ____.

• the Earth

• the moon

• the sun

• the food we eat/make

What is the purpose of cellular respiration?

• to break down food

• to create energy in the body

• to release energy from food

• there is none; it's a waste of time

Plants can...

• Only use photosynthesis

• Only use cellular respiration

• Use photosynthesis and cellular respiration

Animals can...

• Only use photosynthesis

• Only use cellular respiration

• Use photosynthesis and cellular respiration

Simple sugar that is an important source of energy

• oxygen

• sunlight

• glucose

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen

• oxygen

• nitrogen

• carbon dioxide

In which way are photosynthesis and cellular respiration different?

• Cellular respiration stores ATP, while photosynthesis releases ATP.

• Cellular respiration produces oxygen, while photosynthesis uses oxygen.

• Photosynthesis releases energy, while cellular respiration stores energy.

• Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.

What is needed for cellular respiration to occur?

• oxygen only

• glucose only

• carbon dioxide

• sunlight

• oxygen and glucose