Which branch of biology is concerned with the naming and classifying of organisms?

Which of the following is true of natural selection?

Evolution through natural selection will occur most rapidly for populations of plants that:

Charles Darwin's theory of evolution by natural selection explains all of the following EXCEPT:

The proposal that one type of organism can change into another type over a long period of time is known as:

Biologists can divide living organisms into two groups: autotrophs and heterotrophs, which differ in _________.