Plants play an important role in human lives.They provide food,shelter, wood for daily needs to human beings.Most important role of plants is providing oxygen to all living things. All living things require oxygen to live, which plants breathe out.
Study of plants is called Biology & the people who do this study are called biologists.Plants prepare their own food. This food is prepared in the leaves of the plants.That is why leaves are called "Food Factory of the plant. For making food, plants need sunlight, air & water.The process of plants making food is known as Photosynthesis.
Green color of leaves in plants is due to chlorophyll present in them. This chlorophyll helps plants to prepare food .There are few plants who don't have chlorophyll in their leaves ,one example is Mushroom plant
There are few plants who don't make their own food.A plant named Venus Fly Trap is a predator ,it attracts insects & traps them for using them their food.Similarly Mushroom mostly grows on dead plants or animals ,they get their food from them
Flowers in plants play an important role . Beautiful color of flowers attract insects so that pollination can happen.By pollination , plants are able to make fruits & seeds..
Roots of the plants help plants to absorb water & minerals from soil. There are two types of roots -Tap roots & Fibrous roots. The roots having one single ,thick root are known as tap roots , most of the trees have tap roots. The small roots ,spread like thin wires are known as Fibrous roots. .
Leaves are very important part of the plant. Plants breathe through leaves. There are very small holes behind leaves, these are called stomata .Plants breathe through these small holes..
Do you know you can tell the age of a tree. It can be told by counting the Rings in the stem of a tree .