Differentiate between internal fertilisation and external fertilisation.

(a) Differentiate between external fertilization and internal fertilization. (b) Name the plant which produce flowers once in 12 years.

Differentiate between external fertilization and internal fertilization giving example.

List the differences between external fertilisation and internal fertilisation?

i) What is fertilisation ? Distinguish between external fertilisation and internal fertilisation. ii) What is the site of fertilisation in human beings ?

a) What is fertilisation? Distinguish between external fertilisation and internal fertilisation. What is the site of fertilisation in human beings. b) How does growing embryo get nutrition from the mother's blood?