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Subject :NSO    Class : Class 7

What is one thing common in the animals shown below?

AThey all live in water.
BThey all lack backbone.
CThey all have scales on their body.
DThey all lay eggs to reproduce.

Ans 1:

Class : Class 8
they all lack backbone as they all are are invertebrates

Ans 2:

Class : Class 9
they all lack a back bone

Ans 3:

Class : Class 9
they all lack backbone

Ans 4:

Class : Class 7

Ans 5:

Class : Class 4
The answer is B since all are invertebrates.

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