WHAT TO LEARN IN THIS UNIT?
Levels of organisation in living beings: overview.
Biomolecules: organic and inorganic; main types; their role in the human being.
Cells: unicellular and multicellular beings; eukaryotic and prokaryotic cells and organisms; components (and their functions) of prokaryotic, plant and animal cells.
Overview of the cell activity: nutrition, interaction and reproduction.
Supracellular levels of organisation: thalluses, tissues, organs, systems of organs, apparatuses.