Plants' Survival Needs

How is water transported in plants?

• Through the leaves

• Up from the roots

• Through the flowers

• Down from the stem.

Photosynthesis is the process by which:

• plants convert sunlight into chemical energy

• animals produce energy from food

• humans breathe in oxygen

• machines generate electricity

Fill in the blank: Photosynthesis is the process in which plants use water, air, and light energy from the sun to make their own food in the ____.

• leaves.

• roots.

• stems.

• flowers.

What does a plant need to survive?

• Water and sunlight

• Oxygen and nitrogen

• Carbon dioxide and helium

• Hydrogen and methane

As leaves make food, they also produce _______.

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What helps plants grow and stay healthy?

• Sunlight

• Nutrients

• Air

• Soil

Fill in the blank: If there is more food than what the plant needs to survive, the extra is stored in the ______ until it is needed.

• roots

• leaves

• stems

• flowers

What gas do leaves need to make food?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

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

• Chlorophyll

• Water

• Carbon Dioxide

• Oxygen

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

• roots

• leaves

• stems

• flowers