This document discusses the key life processes that take place in organisms from cells to multicellular life forms. It outlines the basic hierarchy from organism to organ to tissue to cell. It then lists the main life processes as nutrition, digestion, circulation, respiration, excretion, and reproduction, which all work together to allow for an organism's survival and the continuation of its species.

2. .
Organism
Organ
Tissue
Cell

3. Single cell organism
Multicellular organism

4. Digestion
Circulation
Respiration
Nutrition
Excretion
Reproduction
Survival
Continuation
Of Race

6. Nutrition: The
process
of obtaining
food.

8. Life processes: Processes that
Take place in every living
Organisms which are useful
for survival and continuation
of race.