Cells!!

2. Additional external barrier in a plant cell - helps provide structure to the plant
3. (Part of a cell) Large fluid-filled sac that can be used for storage
7. Surround the cell, enclosing organelles within it - like security guards
8. Organisms that can only be seen under a microscope
9. Powerhouse of the cell
11. Like the brain of a cell - DNA is held here
13. Makes ribosomes, located in the cell's nucleus
16. Unicellular, has cell wall + membrane, no nucleus, no membrane-bound organelles
17. Branch of science that deals with microorganisms
18. Describes the properties that all cells have in common and their role in living things
19. (part of a cell) Like a tail, assists cell in moving around

1. Organisms that consist of two or more cells
4. This is where plants make 'food' and other chemical energy from sunlight
5. Organisms that consist of one cell
6. Hooke He invented the microscope
10. (part of a cell) Small hair-like structures that surround a cell that assist it in moving around
12. Series of flattened sacs that help package and transport molecules around or to other cells - like a postal network
14. Contains nucleus, usually multicellular and contain membrane-bound organelles
15. Microbes that live in our bodies - help to digest food and provide us with vitamins.
18. The building blocks of life