Question

what is mean by a term internal fertilization and external fertilization explain with examples​

Answer 1

Internal fertilization is when fusion of the male and female gamete to form a zygote occurs inside the body of the female. eg. humans

External fertilization is when the fusion of the male and female gamete occurs outside the body to form a zygote. eg. frogs

Answer 2

Internal fertilisation is meant by tha fertilisation which occurs inside the female or the mother's body(the person giving birth) (eg humans)

External fertilisation is meant by the fertilisation which occurs outside the mother's body (eg frogs)