Evolution simply describes the macro process of death and birth as affected by the environment, no improvement planned. It could well be that a certain set of traits survive purely by chance or slightly improved odds in one set of circumstances that are detrimental later.
Evolution simply describes the macro process of death and birth as affected by the environment, no improvement planned. It could well be that a certain set of traits survive purely by chance or slightly improved odds in one set of circumstances that are detrimental later.