2. removal of waste products of metabolic reactions from an organism

3. increase in size and complexity of an organism

4. the ability of an organism to react to changes in its environment(called stimuli)

5. a quality possessed by living organisms. It is shown by seven characteristics in organisms: nutrition, respiration, growth, reproduction, movement, excretion, and irritability

6. the ability to move

7. a living thing which possesses life

8. production of offspring by an organism

9. the breaking down of food by an organism to supply energy for body activities

10. the method that scientists use to discover knowledge in science. It consists of several steps: observation, making hypotheses, experimentation and formation of theories

Marks =