Question

why do animals reproduce ?

Answer 1

Animals reproduce to continue the Species. plants also, I mean All Life forms have to reproduce to continue the Species. However the reproduction is of different types, which is not an Issue here.

Answer 2

see even they reproduce to continue their progency.Nature gave all animals a special gift i.e.,ability to reproduce as they are not immortals.Animals reproduce because reproduction enables the continuity of their species,generation after generation.

hope its helpful for you...... dear