(D) Bats are not classified as birds because:$(i)$ They lack feathers,which are a characteristic feature of birds.$(ii)$ They possess mammary glands,w

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(D) Bats are not classified as birds because:$(i)$ They lack feathers,which are a characteristic feature of birds.$(ii)$ They possess mammary glands,which is a defining characteristic of mammals.$(iii)$ They give birth to live young ones rather than laying eggs.$(iv)$ Their body is covered with hair instead of feathers.

Class 9 Science DIVERSITY IN LIVING ORGANISMS Mix Example - DIVERSITY IN LIVING ORGANISMS

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Why are bats not placed in birds?

A
Bats have hair on their body.
B
Bats have mammary glands.
C
Bats give birth to young ones.
D
All of the above.

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DIVERSITY IN LIVING ORGANISMS

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Mix Example - DIVERSITY IN LIVING ORGANISMS

Which among the following have scales?
$(i)$ Amphibians
$(ii)$ Pisces
$(iii)$ Reptiles
$(iv)$ Mammals

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The 'Origin of Species' was written by:

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Give reasons for the following:
$(a)$ Echidna and Platypus lay eggs but are considered as mammals.
$(b)$ Birds have pneumatic bones.

Medium

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What is a notochord? What is its function?

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Organisms having 'pores' all over the body and a canal system for bringing in food and oxygen belong to the phylum:

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Why are bats not placed in birds?

Similar Questions

Which among the following have scales?$(i)$ Amphibians$(ii)$ Pisces$(iii)$ Reptiles$(iv)$ Mammals

The 'Origin of Species' was written by:

Give reasons for the following:$(a)$ Echidna and Platypus lay eggs but are considered as mammals.$(b)$ Birds have pneumatic bones.

What is a notochord? What is its function?

Organisms having 'pores' all over the body and a canal system for bringing in food and oxygen belong to the phylum:

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Which among the following have scales?
$(i)$ Amphibians
$(ii)$ Pisces
$(iii)$ Reptiles
$(iv)$ Mammals

Give reasons for the following:
$(a)$ Echidna and Platypus lay eggs but are considered as mammals.
$(b)$ Birds have pneumatic bones.