Why do mice and rats not enter houses built with cement?

Ans: Mice and rats do not enter houses built with cement because they cannot dig holes into cement construction.

netexplanations.com - Maharashtra Board Class 3 EVS Chapter 3 Animal Shelters Solution

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Maharashtra Board Class 3 EVS Solution Chapter 3 – Animal Shelters

Balbharati Maharashtra Board Class 3 Environmental Studies (EVS) Solution Chapter 3: Animal Shelters. Marathi or English Medium Students of Class 3 get here Animal Shelters full Exercise Solution.

Std Maharashtra Class 3 Subject Environmental Studies Solution Chapter Animal Shelters

Maharashtra Board Class 3 Environmental Studies (EVS) Chapter 3 Animal Shelters Solution

Chapter – 3

Animal Shelters

(A) The population of birds in several cities is falling what could be the reason for that their number should increase again. Ans: Birds build their nest on the branches of the trees however, in big cities, there are no such trees to be found easily. So, there is no place to build a nest for birds therefore, we must plant more trees to increase the number of birds in big cities.

(B) What materials do ants use to make anthills?

Ans: Ants use sand, twigs to make anthills.

(2) Some doves and some pigeons have left the jungles and have some to live in areas where people live some mice have also done so. What could be the reasons for that?

Ans: Birds likes doves and pigeons left the jungle and started living in public areas because they get enough of food and water in such places. Some mice also take shelter by dugging burrows in public areas to get food as well as water.

(C)

(1) The nests of birds are not all alike .

(2) The tailor bird is smaller than the sparrow.

(3) Some animals do not make any efforts to build shelters for themselves.

(4) Tigers, leopards and hyenas live in caves in mountains.

(5) The shelter made for a horse is called a stable .

(D)

(1) What does the tailor bird use to stitch its nest?

Ans: The tailor bird uses a fine tendril to stitch its nest together.

(2) What makes it difficult for animals that eat eggs to reach a weaver bird’s nest?

Ans: Weaver bird chooses a thorny tree which has some branches hanging over water. They build their nest at the top of these branches so that animals that eat eggs find it difficult to reach their nests.

(3) How do birds make their nests soft and warm?

Ans: Birds make their nests soft and warm by using cotton wool, piece of thread and string.

(4) Why do mice and rats not enter houses built with cement?

Ans: Mice and rats do not enter houses built with cement because they cannot dig holes into cement construction.

(5) Where do bats find shelter besides dark caverns?

Ans: Besides caverns, bats also take shelter in old, deserted, tumble down buildings.

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