NCERT Environmental Studies (EVS) important notes Part 5 for AEES, KVS, NVS, DSSSB, UPTET, REET, CTET, BTET, MPTET, HTET and All other Teaching Exams
NCERT
Environmental Studies
Important Notes
Part 5
- Indian Robin has laid its eggs in the space between these stones. And the nest was made of grass. On top there were soft twigs, roots, wool, hair and cotton wool.
- A crow’s nest is made of all kinds of things – even pieces of wire and wood. The crow builds its nest high up on a tree.
- Koel sings sweetly and does not make its own nest, it lays its eggs in a crow’s nest. The crow hatches them along with its own eggs.
- The dove makes its nest among the thorns of a cactus plant or a mehendi hedge.
- The sparrow can be found in and around our own house. It makes its nest anywhere- on top of a cupboard, behind a mirror, on a ledge. It makes its nest anywhere- on top of a cupboard, behind a mirror, on a ledge.
- Pigeons also make their nest like this. Often they make nests in old or deserted buildings.
- The barbet or coppersmith bird can be heard in the summer with its ‘tuk, tuk, tuk’ call. It makes its nest in a hole, in a tree trunk.
- The tailor bird uses its sharp beak to stitch together two leaves on a bush. It lays its eggs in the fold of the leaf that it has made. This is its nest.
- The sunbird makes a nest that hangs from the branch of a small tree or a bush. The nest has hairs, grass, thin twigs, dry leaves, cottonwool, bits of tree bark, pieces of cloth rags and even spider’s cobwebs.
- The male weaver bird make beautifully woven nests. The female looks at all the nests and chooses the one that she likes the best and decides in which to lay her eggs.
Bird Feet – Different Kind for Different Needs
Bird Beaks – According to the Food
Animal Teeth
- Cows have short front teeth for snipping grass. The teeth on the sides are large and flat for chewing the grass.
- Cats have sharp teeth for tearing and cutting meat.
- Snakes have sharp curved teeth, but they do not chew their prey. Snakes always swallow their food whole.
- Squirrel’s front teeth keep growing throughout their life. They have to keep gnawing on things to keep their teeth from becoming too long.
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#NCERT Environmental Studies (EVS) important notes Part 5 for AEES, KVS, NVS, DSSSB, UPTET, REET, CTET, BTET, MPTET, HTET and All other Teaching Exams