Photosynthesis

What is the meaning of "Photosynthesis" based on its Greek roots?

• "Photo" means light, "synthesis" means putting together.

• "Photo" means plant, "synthesis" means making food.

• "Photo" means green, "synthesis" means growing.

• "Photo" means sun, "synthesis" means energy.

What are the tiny openings in plant leaves called that allow them to take in carbon dioxide?

• Chloroplasts

• Roots

• Stomata

• Veins

Besides carbon dioxide and sunlight, what other essential elements do plants absorb from the soil to make food?

• Oxygen and nitrogen

• Water and nutrients

• Sugar and chlorophyll

• Air and minerals

What is the green pigment found in chloroplasts that helps plants absorb sunlight?

• Stomata

• Chlorophyll

• Oxygen

• Sugar

Why are plants often referred to as the "lungs of the world"?

• Because they have large leaves that resemble lungs.

• Because they absorb carbon dioxide and release oxygen.

• Because they help regulate the Earth's temperature.

• Because they provide food for many organisms.