•came from the word –BIOS meaning LIFE–LOGOS meaning STUDY

-is the study of LIFE

WHAT IS LIFE?WHAT IS LIFE?• LIFE is that property of organism that enable it to take in food and get energy from it, reproduce and adapt to changes in its environment.

WHAT ARE THE WHAT ARE THE CHARACTERISTICS CHARACTERISTICS

OF LIFE?OF LIFE?

REPRODUCTIONREPRODUCTION-is the reproduction of new organism the same specie as the parents.

HEREDITYHEREDITY-is the transmission of characteristics of the parents to its offspring.

ADAPTATIONADAPTATION-is the ability of the organism to adjust to the changes in its surroundings.

STIMULISTIMULI-refers to anything that causes the organism to react.

TROPISMTROPISM

- Refers to the reaction of organism to stimulus.

STAGES OF LIFESTAGES OF LIFE

1.Beginning or origin

2.Growth

3.Maturity

4.Decline

5.Death

DEVELOPMENTDEVELOPMENT• Includes all the stages that individual organism goes through from the moment it begins life until it reaches maturity.

LIFE CYCLELIFE CYCLE

• Is the history of an organism from birth through reproduction and death.