Unit 8 Evidence for Evolution

What are the two very bold claims that Darwin made? Give two anatomical features that make whales and dolphins related to other mammals. How does the whale flipper show that they are related to other four legged animals and not fish? How does the whale embryos confirmed its relatedness to mammals? How does the fossil record confirm that whales and dolphins are related to four legged animals? What does the DNA evidence tells us? The front flippers of whales are considered to be homologous structures but the hips legs are vestigial structures.