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Gaurav Seth 9 months, 2 weeks ago
Their body is divided into three parts: – head, Trunk, and tail. They have two pairs of limbs – the legs and the wings. Birds have legs, but no hands. Their wings are covered with feathers. Many birds can fly with the help of their wings. The Mouth of a bird is called a beak. But they don’t have teeth. But birds itself distinguish with each other.
The following are the features that distinguish birds from other animals and themselves too.
Feathers
Beak
Feet and Claws
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Gaurav Seth 11 months, 1 week ago
Woodpeckers
Woodpeckers have strong beaks which taper to the tip, forming a chisel for pecking holes in trees for food or nests. Most feed on insects which live under the bark.
Posted by Aahna Dey 11 months, 2 weeks ago
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Yogita Ingle 11 months, 2 weeks ago
The word photosynthesis can be separated to make two smaller words:
“photo” which means light
“synthesis” which means putting together
Plants need food but they do not have to wait on people or animals to provide for them. Most plants are able to make their own food whenever they need it. This is done using light and the process is called photosynthesis.
Posted by Aahna Dey 11 months, 2 weeks ago
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Yogita Ingle 11 months, 2 weeks ago
Plants require light as a form of energy to develop and grow. The way this energy transfer happens is by using chlorophyll. Chlorophyll is the green pigment in plants that is used to trap energy from the sun. Each green part of a plant has chlorophyll.
Posted by Aahna Dey 11 months, 2 weeks ago
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Yogita Ingle 11 months, 2 weeks ago
The growth of a seed into a young plant or a seedling is called germination.
Steps of Germination
- When conditions are right the seed starts to take in water.
- As water is taken in, the seed swells bigger and bigger until the coat splits apart.
- Air can then get to the seed. So, the oxygen in the air helps the baby plant burn the food packed inside the seed.
- Burning the food produces energy. As a result, the baby plant uses the energy to grow.
- A tiny root grows downwards whereas a shoot begins to grow upwards.
- The shoot develops and reaches toward the light while the root system develops deep in the soil.
- The cotyledon later become the first leaves of the seedling when the seed germinates.
- Tiny leaves sprout at the end of the shoot letting Photosynthesis to take place. These are called foliage leaves. They give the baby plant energy, until it gets its own green leaves to photosynthesise.
- The primary root grows longer and thicker together with the secondary roots. The leaves grow larger.
- Finally, More and more leaves grow and the stem becomes thicker and stronger.
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