3.1

Living Things and Non-living Things

• In order for something to be classified as living, it must grow and develop, use energy, reproduce, be made of cells, respond to its environment, and adapt.

• Humans, animals and plants existed in multiple sizes. 

• As example:

If the animals are arranged from big to small. The largest animal in the picture is the cow and the smallest animal in the picture is a bird. 

• The following shows the arrangement of animals based on size:-