Question

1. What are two modes of reproduction ?
2. Name the process that is essential for continuity of species ?
3. What is fertilization ?
4. Give two examples of external fertilization .
5. Why do animals like fish and frog lays eggs in large no. ?
6. What is embryo ?

Answer 1

1. asexual reproduction and sexual reproduction

2. reproduction

3. the process of a sperm cell entering an egg cell and the two cells combining is known as fertilization

4. example 1: frog fertilizing eggs example 2:fish fertilizing eggs

5 frogs and fish lay eggs in large no becuz that gives them a better chance of survival

6embryo is the early developmental stage of a multicellular organism