The Unit of Life

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1) All living things are made of one or more . A cell is the unit of life.

2) organisms are made up of only one cell. Examples are p , a , b and y .

3) Multicellular organisms are made up of more than one cell. P, a and fungi are some examples.

4) Cells vary in size, shape and . We cannot them with the naked eye. In order to see them, we have to use the .

5) The is where the eye looks through to observe the .

6) The lens magnifies the specimen.

7) The is where the specimen slide is placed.

8) The is a jelly-like substance that many cell parts. It allows to move around within the cell.

9) The is a round or oval part inside the . It contains that is passed on from one to another. It everything that happens inside the cell.

10) The cell is a thin layer that surrounds the cytoplasm. It controls the of materials going in and out of the cell.

11) The cell is a tiny-disc like cell part that contains a green called . It captures for plants to make food.

12) The plant cell and the animal cell have , cell and ,

13) The animal cell does not have and .

14) Cells in number by a process called cell . The nucleus and the cytoplasm of the cell divide to form two cells. The two daughter cells are to the parent cell. Each daughter cell divides further to form more cells.

15) Unicellular organisms reproduce either by cell division or . reproduce by budding. Micro-organisms like the a, b and p reproduce by cell division.

Test yourself
What is a cell?
Are you able to draw and identify the parts of the plant cell and animal cell?
Do you know the functions of the cell parts?
Are you able to describe the differences between the plant cell and the animal cell?
What is the importance of cell division?