Plants' Survival Needs

What does a plant need to survive?

• Water and sunlight

• Oxygen and nitrogen

• Carbon dioxide and helium

• Hydrogen and methane

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How is water transported in plants?

• Through the leaves

• Up from the roots

• Through the flowers

• Down from the stem.

What gas do leaves need to make food?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

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As leaves make food, they also produce _______.

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

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What do leaves contain that helps the plant take in energy from sunlight?

• Chlorophyll

• Water

• Carbon Dioxide

• Oxygen

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The leaves use the captured energy to make food, or sugar, from ______ and water.

• carbon dioxide

• oxygen

• nitrogen

• hydrogen

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Different plants need the same amount of sunlight to survive.

• True

• False

What helps plants grow and stay healthy?

• Sunlight

• Nutrients

• Air

• Soil

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Fill in the blank: Along with water, nutrients are absorbed by the ______ and transported to the rest of the plant.

• roots

• leaves

• stems

• flowers

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Photosynthesis is the process by which:

• plants convert sunlight into chemical energy

• animals produce energy from food

• humans breathe in oxygen

• machines generate electricity

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