Fact 1: Amphibians have a relatively complex circulatory system with a three-chambered heart. Fact 2: Frogs, toads and salamanders are amphibians. Given the two facts above, answer the question "What sort of circulatory system do frogs, toads, and salamanders share?" with the following options: - live birth - It helps them survive - matter vibrating - two-chambered heart - Veins and arteries. - biological diversity - three-chambered heart - four-chambered heart
The answer to this question is:
three-chambered heart