Characteristics of Life

Unique Cellular Organization

MULTICELLULARUNICELLULAR

Every organism is made up of cell.

• Cell is the basic unit of structure and function of an every organism.• An organism’s metabolic function is carried out by the cell.

Growth• Growth is the increase in size and volume of an organism.• When cells grow and reproduce, the organism grows.

Life CycleLife cycle is the history of an organism from birth to death.

Energy Requirement

Respond to Stimuli/ Irritability

Stimuli are factors that may affect living things such as heat, light, temperature, pressure, and chemical substance.

ReproductionOrganisms have two modes of reproduction:

1.Asexual reproduction – without the use of gametes

2.Sexual reproduction – involves gametes

Asexual ReproductionOnce a branch of the strawberry plants touches the ground, it develop roots and a new plant grows

Regeneration in a starfish

Asexual Reproduction

Bacteria reproduce through cell-division.

Movement

Paramecium E. Coli