Introductory Biology
What is a key difference between the contributions of Charles Darwin and Alfred Russel Wallace to the theory of evolution by natural selection?
How did Darwin's 'On the Origin of Species' synthesize previous scientific ideas to present a cohesive theory of evolution?
In evolutionary biology, an adaptation is best defined as what?
A paleontologist discovers fossils of extinct mammals in South America that strongly resemble living armadillos found in the same region. Based on Darwin’s reasoning, what is the most likely scientific interpretation of this evidence?