IG Bio Characterisitics of life

1. CHARACTERI
STICS OF
LIVING
THINGS
International GCSE Biology Lesson 1

2. CHARACTERISTICS OF
LIVING THINGS
▪Biology is the study of living things
▪Living organisms have 7 features/characteristics which
make them different from objects that are not alive
▪In addition to these 7 characteristics, living organisms have
another feature in common: they are made of cells

3. 1) MOVEMENT
An action by an organism or part of an organism
causing a change of position or place

4. 2) REPRODUCTION
The processes that makes more of the same
kind of organism

5. 3)
RESPIRATION
The chemical reactions in cells that break down
nutrient molecules and release energy for metabolism

6. 4) EXCRETION
Removal from organisms of the waste products of metabolism,
toxic materials and substances in excess of requirements

7. 5) SENSITIVITY
The ability to detect or sense stimuli in the internal or external
environment and to make appropriate responses

8. 6) NUTRITION
Taking in of materials for energy,
growth and development

9. 7) GROWTH
A permanent increase in size and dry mass by
an increase in cell number or cell size or both