InterviewSolution
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InterviewSolution
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Axolotl larva of Ambyostoma normally fails to metamorphose due toA. Lack of Ca and Mg ions in waterB. Absence of phosphorus in waterC. Lack of iodine in water or dietD. High concentration of iodine in body |
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Answer» Correct Answer - C (c) Environment factors affect metamorphosis in several ways. Abundence of food, cold temperature or insufficient iodine (component of thyroxin hormone) may cause failure of metamorphosis and retention of larval features Calcium magnesium phosphorus are not found to play any role in metamorphosis in animals Larva of Ambystoma is known as axolotl it is found in USA (North America) and Maxico it show neoteny or paedogenesis. |
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