In reptiles, birds, mammals, gymnosperms and angiosperms the fertilisation is

Options

A. External
B. Internal
C. Both A and B
D. Can't say

Answer

B

Explanation

In many terrestrial organisms, belonging to fungi, higher animals such as reptiles, birds, mammals and in a majority of plants (bryophytes, pteridophytes, gymnosperms and angiosperms), and syngamy occurs inside the body of the organism, hence the pro cess is called internal fertilisation.