Rise or origination of anything by natural development. The process of developing, or working out in detail, what is implicitly or potentially contained in an idea or principle. Adaptative radiation . Natural selection . Associated with immorality, violence, communism, and innumerable other evils.
Evolution means change in living things over long periods of time.
Living things show adaptation. In the first chapter of our text, the author tries to catch the essence of biological evolution, in its full modern usage, in a short section of several paragraphs. Note how difficult it can be to pin down the concept with a single, brief phrase. Evolutionary modification in living things possesses some further distinctive properties. Ridley also takes pains to exclude development during the lifetime of individual organism and shifts in ecosystem composition from those changes which are to be called evolution.