Plant Growth and Behavior

Which of the following has the biggest impact on the function of a plant's leaves?

• sunlight

• type of soil

• the animals in an environment

• types of clouds

Which part of a plant is responsible for the process of photosynthesis?

• roots

• stem

• leaves

• flower

Which image shows the season in which photosynthesis will occur at its' best?

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What is photosynthesis?

• the process of a plant making food for itself

• the process of a plant creating seeds to make new plants

• the process of a plant growing fruits

In order for photosynthesis to occur, a plant will need to absorb, sunlight, water, and....

• oxygen

• soil

• carbon dioxide

Based on the diagram, what will develop if photosynthesis occurs?

• carbon dioxide and water

• oxygen and sugars (food for the plant)

Why do most plants eventually lose their leaves in the fall and winter?

• they don't receive enough warmth (sunlight) for photosynthesis to occur

• insects are hungrier during the fall and winter and tend to eat most of the leaves on plants

• the ground is too hard for the roots to make food for the plants

Because plants need sunlight to make food, they naturally grow in which direction?

• towards the light

• towards the soil

• towards other plants

Why are the plant's leaning towards the window?

• they are trying to grow towards other plants

• they are trying to grow towards the sunlight

• they are try to grow towards rich soil

In response to gravity, in what direction to a plant's roots grow?

• down

• up

• to the side