8.1 MEANINGS/ DEFINATIONS:
1. Unicellular – Single celled organisms.
2. Tissue – Group of similar cells performing a specific function.
3. Organ system – a group of organs.
4. Rigidity – Inability to be to bent or be forced out of shape.
5. Inheritance – A thing that is inherited.
6. Structure – The arrangement between the parts .
7. Chloroplasts – Chlorophyll containing plastids.
8. Organelles – A number of organized structures within a living cell.