Across
- 3. this system contains the organ that pumps blood throughout the body
- 6. when species change over time
- 9. contains chlorophyll; uses light energy from the sun to make sugar which is used as food
- 11. the food that plants make during photosynthesis
- 12. produce proteins for the cell
- 13. states that cells are the most basic unit of structure and function, all organisms are made of one or more cells, and all cells come from pre-existing cells
- 14. the organelle that is most commonly associated with eukaryotic cells
Down
- 1. bacteria, paramecium, and euglena are all ____________ organisms
- 2. powerhouse of the cell
- 3. system transports both blood and lymph around the body
- 4. this system works most closely with the circulatory system
- 5. the smallest level of organization in all living things
- 7. tissues come together to form these
- 8. rigid outer layer that supports and protects the cell
- 10. groups of cells that work together