The leaf blade has tiny holes on the underside called stomata. The leaf takes in air through these holes and gives out excess water. The leaf gets its green color from a substance called chlorophyll. It makes food for the plant using sunlight, a gas present in air called carbon dioxide, chlorophyll and water. While making food, the leaves take in carbon dioxide and give out oxygen.
Food is stored in some leaves.
Click here for an after - school exercise. They make the plant look beautiful and give sweet smell. Different types of fruits grow from flowers. Seeds are present inside the fruits. A plant produces many seeds but only few of them are able to produce more plants.