Multiple ChoiceWhich of the following pieces of evidence best supports the hypothesis that four-limbed animals (tetrapods) evolved from fish?80views
Multiple ChoiceWhat does comparative anatomy reveal about the relationship between different organisms?71views
Multiple ChoiceWhen individuals with an average form of a trait have the highest fitness, the result is:64views
Multiple ChoiceWhich of the following best describes how escape from extinction works in the context of natural selection and evolution?43views
Multiple ChoiceWho is credited with launching the modern environmental movement, which influenced public awareness of natural selection and human impact on evolution?63views
Multiple ChoiceWhy might you expect to see a difference in beak length between male and female birds of the same species?70views