Cells to Organisms Vocabulary

3. The material that fills much of the inside of cells.
6. A simple sugar that is small enough to cross the cell membrane and enter the body’s cells.
7. An organism made up of one cell.
12. A gas obtained from the air and used by animals in cellular respiration.
14. The process by which plants convert water and carbon dioxide into sugars and oxygen.
16. The structure that separates the cell from its external environment.
18. The organelles that produce most of the energy that cells need.
19. Cell structures that perform a specific function.

1. A series of chemical reactions in a cell that break down sugars and release energy.
2. The parts of an object or system, including what they are made of, their shapes, and their arrangement.
4. A waste produced from the breakdown of sugars during cellular respiration.
5. An organism made up of many cells.
8. The part of the cell that contains the genetic material.
9. The outermost layer of certain cells that gives shape to the cell and protects it. Found in plant and bacterial cells.
10. An individual animal, plant, or single-celled life form.
11. An organelle that contains chlorophyll and in which photosynthesis occurs. Found in plant cells and other photosynthesizing cells.
13. The smallest structural unit, enclosed by a membrane, that makes up all living organisms.
15. Describes how the cell membrane allows some molecules to pass through while blocking others.
17. The specialized activities performed by a system, organ, body part, object, or device.