Across
- 4. determined cells arise from preexisting cells
- 5. concluded all animals are made of cells
- 6. macromolecule that stores energy, gives protection and is involved in cell communication
- 9. obtaining food to provide energy to grow
- 11. improved the microscop, was the first person to view live cells
- 13. macromolecule that contains genetic information
- 16. perceiving and responding to changes in the environment
- 17. providing protection against enemies
- 18. increase in size
- 20. chemical reactions inside the cell
Down
- 1. macromolecule that provides energy storage, structural support and cell communication
- 2. concluded all plants are made of cells
- 3. primitive cells, do not contain a nucleus
- 7. keeps conditions within the organism within tolerable limits (balanced)
- 8. macromolecule that aids in cell communication, transport, a chemical breakdown of substances and structural support
- 10. gave us the term cell, observed the bark of a cork tree
- 12. complex cells, contain a nucleus and membrane bound organelles
- 14. smallest structural unit of an organism
- 15. producing an offspring
- 19. comprised of 3 parts: all living things are made of cells, cells are the basic unit of life, all cells come from preexisting cells