________ is the basic unit of life

______ breathe the dissolved oxygen present in water.

______ reproduce their own kind

The explanation of physical phenomena, gravity is the science.

Plants throw out waste products in the form of _____ and _____.

Animals and humanbeings are _____

The reaction which an individual shows to the stimulus is called _____

Name a unicellular organism?

A distinct round part in the cell is

________ is the study of nature