Natural Selection: On The Origin Of Species By Charles Darwin And Wallace

336 Words2 Pages
Natural selection is a theory that was co-discovered by Charles Darwin and Alfred Russell Wallace. The basic idea behind natural selection is that an organism is more likely to produce offspring if it is in an environment in which it is flourishing. One reason an organism may thrive is that it may have a trait that allows it to live longer. For example, one organism may have certain colors that make it more visible by predators; as a result, it will not produce as many offspring as an organism without those traits. Over time, organisms with advantageous traits will become more common in the population and the species gradually changes.
In Darwin’s book, On the Origin of Species, in which is introduced his theory of natural selection, he did