Organisms in Ecosystems(Key Ideas 1)

What do plants use to make their own food?

• Water, air, and sunlight

• Sunlight, oxygen, and soil

• Water, carbon dioxide, and sunlight

• Soil, water, and air

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How do plants get water for photosynthesis?

• Through their roots

• From the air

• From rain directly on leaves

• Through their leaves

What gas do plants release during photosynthesis?

• Hydrogen

• Nitrogen

• Oxygen

• Carbon dioxide

Why are plants called producers?

• They produce oxygen

• They make their own food

• They grow in the ground

• They need sunlight

What do humans and animals provide that plants need?

• Water

• Sunlight

• Carbon dioxide

• Oxygen