Scales are present in:
Correct answer: E. A and B
- A. Fishes
- B. Reptiles
- C. Birds
- D. Amphibians
- E. A and B
Explanation
The skin of most fishes is covered with scales. Placoid scales in sharks and rays, cosmoid scales in lungfishes and some fossil fishes, ganoid scales in bichirs, bowfin, paddle fishes, gars, sturgeons, cycloid and ctenoid scales in most bony fishes. Reptile skin is also covered with scutes or scales. Scales are made of keratin and are formed from the epidermis. They may be ossified or tubercular, as in the case of lizards, or modified elaborately, as in the case of snakes.
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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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