When in water,a frog breathes in oxygen dissolved in water through its

Breathing organ of fishes are

The duration of time for which a living organism lives is called

A living tissue found in the hard parts of the plant body is  called

____________is a fluid connective tissue.

The movement of the plant(shoot)towards light is called 

The tissue present in the brain,spinal cord and nerves is ___________

Find the odd one out.

Something that creates a response in a living organism is called