In fact, the parent continues living as two daughter individuals, example- Amoeba. See even they reproduce to continue their progeny. Nature gave all animals a special gift i.e., ability to reproduce as they are not immortals. Simple answer-. read more
For animals, the body systems are designed to make the processes involved in reproduction intrinsically desirable, which facilitates the reproduction process itself. So I guess you could say that creatures are designed to reproduce. read more
Not all animals reproduce in the same way, it depends on their traits and their environment, so in this OneHowTo article we explain how animals reproduce by describing the types of reproduction and the conditions needed for it to happen. read more