Question

What are living and non living things.Distinguish between naturally occurring materials and man made materials with examples.

Answer 1

living and non living things BASIS FOR COMPARISON LIVING THINGS NON-LIVING THINGS

Meaning	Living things are the creatures that are alive and compose of tiny particles, i.e. cells.	Non-living things refers to those objects or items, that do not exhibit any sign of life.
Example	plants,animals	book,pen
Organization	Highly organized	No such organization
Conciousness	They sense things and react to external stimulus.	Non-living things do not sense things.
Homeostasis	Maintain a stable internal environment to make cells function.	Do not maintain a stable internal environment.
Metabolism	Reaction like anabolism and catabolism occurs.	No metabolic changes occurs in non-living things.
Growth	All living things undergo a regulated growth.	Non-living things do not grow.
Evolution	Living things go through evolution.	Non-living things do not undergo evolution.
Survival	Depends on food, water and air for survival.	Does not depend on anything for survival.
Life-span	Have a certain life span, after which they die.	There is no such thing like life span.

naturally occurring materials and man made materials


Natural materials:
Natural materials are materials that comes from plants,animals and rocks
eg:shoe,leather,tyre,rubber etc

Man Made materials:
Man-made materials are materials obtained from natural materials through chemical processes.
eg:Net,rain coat,plastic,cup etc

Man-made materials are produced from petroleum. • Petroleum is a natural material. • This shows that man-made materials come from natural materials.