Animals in which digits are both webbed and clawed

Animals which can live both in water and on- land belong to

Name the class in which : (a) digits end up in nail and claws , (b) hair are present as exoskeleton.

The animals which can live both on land and water ………

The animals which can live both in water as well as land are called

List all 2-digit prime numbers, in which both the digits are also prime numbers.

The number of three digit positive integer which contains both even and odd digits is :-

Which of the following animals has the capacity to reproduce both with and without fertilization of eggs ?