What type of fertilisation takes place in hen?
Differentiate between internal fertilisation and external fertilisation. What type of fertilisation takes place in (a) frog, and (b) fox?
(a) Explain the term 'fertilisation'. (b) Give some examples of different modes of fertilisation in nature ? (c) What type of fertilisation takes place in (i) fish, and (ii) birds ?
What type of fertilisation takes place in the following?
(a) Cow
(b) Frog
(c) Humans
(d) Fish
(e) Hen