Bisexual animals that possess both male and female reproductive organs are called hermaphrodites. The above statement is:

Organisms showing internal fertilisation show a reduction in the number of . . . . . . gametes and an increase in the number of . . . . . . gametes.

The number of taxa exhibiting asexual reproduction is drastically reduced in higher plants (angiosperms) and higher animals (vertebrates) as compared with lower groups of plants and animals. Analyse the possible reasons for this situation.

Identify the incorrect statement.

........ and ........ are examples showing external fertilization.

Arrange the following with respect to increasing life span: Rose,Fruit fly,Rice.