Why animals whichundergo external fertilization sucj as frog and fish lay eggs in hundreds while a hen lays only one egg at a trime/

Do human beings lay eggs as a hen does or they give birth to a baby?

Which of the following animals lay eggs?

Formation of zygote is observed in those animals that (a)exhibit internal fertilization(b)undergo external fertilization(c)are diploid(d)exhibit great srynchony in laying gametes in water

Give reason why oviparous animals lay more eggs.

$ The animals which give birth to young ones are called oviparous. ! Earthworms lay eggs and are unisexual.

Assertion : Viviparous animals give better protection to their offsprings. Reason : They lay their eggs in safer places in the environment.