ScienceClass 8CBSE
Q
Animals exhibiting external fertilisation produce a large number of gametes. Pick the appropriate reason from the following. (a) The animals are small in size and want to produce more offsprings. (b) Food is available in plenty in water. (c) To ensure better chance of fertilisation. (d) Water promotes production of large number of gametes.
A
Soln:
Answer is (c) To ensure better chance of fertilization
Explanation:
Because they release gametes in water chances of getting washed away by water, wind and rain are more. Hence To ensure better chance of fertilisation. Large number of gametes are produced by Animals exhibiting external fertilization.