Question

$X$ and $Y$ are the two types of animals. The animals like $X$ undergo external fertilisation whereas animals like $Y$ undergo internal fertilisation. The animals like $X$ lay eggs from which baby animals are hatched. On the other hand, in animals like $Y,$ the young one develops inside the uterus of mother which then gives birth to the baby.
$\left(b\right)$ Give two examples of animals like $X.$

Answer 1

Answer:

• Fishes and frogs are examples of oviparous animals as well as they show external fertilization.
• Fertilisation taking place outside the mother’s body is called external fertilisation.