How can natural selection lead to extinction?

The first thing you need to remember is that there is no absolute definition of fitness. The ability of any given species to live long enough to have offspring (i.e. fitness) depends on how well-adapted that species is to its environment. When... read more

The first thing you need to remember is that there is no absolute definition of fitness. The ability of any given species to live long enough to have offspring (i.e. fitness) depends on how well-adapted that species is to its environment. read more

Best Answer: Natural selection tends to make species more precisely fit their environment. The primary cause of extinction therefore is a change in the environment. read more

Natural Selection and Extinction. Natural selection is a process through which the traits that are helpful in the survival of an organism are passed on to the next generation while those that can hinder survival are eliminated. read more