Answer the following question: Q: How many chambers are in a reptiles heart? Read this paragraph and choose the correct option from the provided answers: Reptiles are a class of ectothermic, tetrapod vertebrates. They have several adaptations for living on dry land, such as tough keratin scales and efficient lungs for breathing air. They also have a three-chambered heart and relatively well-developed brain. Choices: - ten - two - five - three A:
Answer:
three