ACTIVITIES AND MORE INFORMATION
All living things are form by cells.
CELLS are the basic units of life. They are microscopic and they are alive (they carry out the nutrition, interaction and reproduction).
Living things can have:
- 1 cell: unicellular organisms
- more than 1 cell: multicellular organisms
PARTS OF A CELL
NUCLEUS: it has the genetic material that controls the cell
CELL MEMBRANE: surrounds the cell and keeps the cytoplasm inside
CYTOPLASM: liquid inside the cell, it has ORGANELLES with different functions
CELL WALL: surrounds plant cells
MULTICELLULAR ORGANISMS ORGANISE THEIR CELLLS INTO TISSUES, ORGANS AND SYSTEMS/APARATUSSES
Group of cells with the same function.
Group of tissues with the same function.
Group of organs with the same function.
ALL TOGETHER MAKE AN ORGANISM OR LIVING THING.