How Plants Make Food

During photosynthesis a plant inputs _______ and outputs ______?

• water, light energy

• carbon dioxide, oxygen

• soil, oxygen

• carbon dioxide, water

What do leaves use to make food for the plant?

• the soil

• the sun

• the wind

• pollen

What do you call the environment that makes up the place where a plant or animal naturally lives?

• shelter

• community

• wetland

• habitat

Unique characteristics that allow a plant or animal to live in a particular place or habitat are called __________.

• adaptations

• habitats

• environments

• rain forests

Some grasses grow in hot dry areas. Why might they grow deep roots?

• to protect the plant from sun damage

• to take in as much light as possible

• to spread seeds to new places

• to reach water down below

Why are cactus leaves spiny?

• They are used catch insects to eat.

• They detect vibrations.

• They are not used by the plant at all.

• They help prevent animals from eating the plant.

The two main functions of a plant's roots are to hold the plant in place and _________.

• spread to the plant to new places

• protect the plant from predators

• bring nutrients to the plant

• grow more plants

Which two are root systems?

• taproot and storage root

• water root and storage root

• taproot and spaghetti root

• grass root and spaghetti root

Plants in a rainforest must have ____________ to shed extra water and capture more sunlight.

• short, colorful leaves

• large, waxy leaves

• spiny leaves

• tiny leaves