What are the characteristic features of amphibians?
October 31, 2020 | Education|
Signs: Body temperature depends on the ambient temperature, live on land and in water, have two circles of blood circulation, pulmonary and cutaneous respiration, a 3-chambered heart, the skin is moist and covered with mucus, the development of metamorphosis (transfer from one form of development to another with acquiring a new look and feel).
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