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Which of the following animals is an invertebrate?

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in Biology – Class 11 by (272k points)
Which of the following animals is an invertebrate?

(a) Lizard

(b) Frog

(c) Cockroach

(d) Snake

This question was addressed to me in class test.

This intriguing question originated from Animals topic in chapter Structural Organisations in Animals of Biology – Class 11

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Correct answer is (c) Cockroach

To elaborate: Cockroach is an invertebrate insect. It does not have a bony skeleton or a backbone. Lizard, frog and snake are reptiles which are vertebrates. They possess a bony skeleton. It belongs to the genus Periplaneta.

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