In Arthropoda, head and thorax are often used to form cephalothorax, but in which one of the following classes is the body divided into the head, thorax and abdomen?
Correct answer: A. Insecta
- A. Insecta
- B. Myriapoda
- C. Crustacea
- D. Arachnida
Explanation
Class insecta is the largest group not only of Arthropoda but of all the animal kingdom and has great variety. Insects are found everywhere, many show social behaviour. The body in, insects has three distinct regions head, thorax and abdomen.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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