Across
- 2. an action that occurs as a result of a stimulus
- 4. cell each cell has a function that helps the other cells
- 5. tissue contains cells that generate electrical impulses and transfer the impulses to other cells
- 7. ability of an organism to maintain stability when the environment changes;staying the same
- 8. an individual form of life
- 10. tissue contains cells that move that parts of your body
- 11. "tiny organs" of cells composed of macromolecules
- 12. tissue covers and protects the cells beneath it
- 14. tissue cells spaced far apart; defends body from invaders, acts as a storehouse, gives support
- 16. a group of similar cells that work together to preform a specific function
- 17. each group of tissues that work together to preform a specific job
Down
- 1. an organism whose cell(s) lacks a nucleus ex: bacteria
- 3. giant molecules ex: organic compounds
- 6. formed when two atoms bond
- 9. a group of organs working together
- 13. a change in an organism's surroundings that causes it to react
- 15. an organism whose cell(s) contain a nucleus; exist as both unicellular(ameba and paramecium) or multi-cellular (plants and animals) organisms