Question

Difference between gestation and spawning

Answer 1

Gestation is the carrying of an embryo or fetus inside female viviparous animal.
While spawning is the egg and sperm released or deposited into water by aquatic animal

Answer 2

Gestation is the process and period of development of an embryo or foetus inside the womb between the time of fertilisation,conception and birth. This process occurs in female viviparous animals. It is typically a mammalian process, but also occurs in some non-mammals.
Spawning is the process by which the eggs and sperms are released into the water by aquatic animals, except in aquatic mammals and reptiles. In such a process, the fertilisation takes place outside the animal body and they are called oviparous.