Which of the following classes has the largest number of animals?
A
Mammalia
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B
Pisces
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C
Insecta
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D
Reptilia
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Solution
The correct option is C Insecta The largest phylum of kingdom animalia is phylum arthropods which include insects. Over two-thirds of all named species on earth are arthropods. The body is divided into head, thorax and abdomen. It has an exoskeleton made up of chitin. These have an open circulatory system and are generally triploblastic.