Cycles

Which is a reactant of photosynthesis?

• Oxygen
• Carbon Dioxide
• Nitrogen
• Glucose

Which is a product of photosynthesis?

• Oxygen
• Carbon Dioxide
• Water
• Nitrogen

Which is a reactant of cellular respiration?

• Carbon Dioxide
• Nitrogen
• Water
• Oxygen

What do plants get from animals?

• carbon dioxide
• oxygen
• sugar
• emotional support

Where do decomposers live?

• air
• in the soil
• only in a vacuum
• at the white house

How does carbon get from plants to animals?

• through food
• in the air
• through water
• Fedex

How does Carbon get from animals to plants?

• through food
• in the air
• through water
• UPS

Which of the following is a resevoir or exchange pool for carbon?

• rocks
• ocean
• atmosphere
• all of these

How is Nitrogen removed from the air and put into compound that living things can use?

• plants
• photosynthesis
• chemosynthesis
• nitrogen fixing bacteria

What gas does burning things release into the atmosphere?

• oxygen
• carbon dioxide
• nitrogen
• diethylchlorofloromethane