1. Charles Darwin was an...

Question

2. Darwin was not the first to develop a theory of...
3.The type of tortoise, mockingbird, and finch that live on each of the Galápagos Islands was slightly different; Darwin later figured out that some varieties were different enough to be classified as different...
4.Darwin noticed that there was a relationship between each

Answer 1

species and its environment, and that organisms that were best adapted to their environment would be more likely to survive and reproduce. This concept is known as natural selection.