How plants make food

What services do plants provide to our world?

• Prevent soil erosion

• Filter water

• Release oxygen

• Source of medicines and beauty products

What is the purpose of the Svalbard Global Seed Vault?

• To protect all plant species

• To store food

• To preserve animal species

• To create new plant species

What is photosynthesis?

• The process of plants making glucose

• The process of plants absorbing water

• The process of plants releasing oxygen

• The process of plants growing

What elements make up the mass of a new plant?

• Carbon

• Oxygen

• Hydrogen

• Nitrogen

What happens to water when plants open their stomata?

• It exits the plant

• It enters the plant

• It is stored in the roots

• It is used for photosynthesis

What do plants need to reduce transpiration?

• Open stomata at night

• Store water

• Absorb more sunlight

• Increase carbon dioxide intake

What nutrients do plants need for various processes?

• Potassium

• Iron

• Calcium

• Magnesium

What role do chlorophyll molecules play in photosynthesis?

• They absorb sunlight

• They store water

• They transport nutrients

• They release carbon dioxide

How do plants primarily obtain the carbon dioxide needed for photosynthesis?

• Through their roots

• From the soil

• From the air

• From water

What is the main byproduct of photosynthesis?

• Oxygen

• Carbon dioxide

• Glucose

• Water