It is a common character between reptiles and amphibians:
Correct answer: C. Poikilotherm
- A. Three chambered heart
- B. Externel fertilization
- C. Poikilotherm
- D. Strong pectoral girdle
Explanation
Poikilotherms are organisms that rely on external sources of heat to regulate their body temperature. Both amphibians and reptiles are poikilotherms.
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