Across
- 1. of life, The set of features that all organisms share
- 4. Organelle in plant cells where photosynthesis occurs
- 5. Non cellular infectious particle that needs a host cell to reproduce
- 9. exchange, Swapping of oxygen and carbon dioxide between an organism and its environment
- 11. Organelle that releases energy from food
- 13. Substances in food that provide energy and materials for growth and repair
- 14. system, Body system that protects against disease causing organisms and substances
- 15. Diffusion of water across a semi permeable membrane
- 17. Storage organelle for water and food and waste
- 18. Substance that stimulates the immune system to build protection against a disease
- 19. Microorganism or agent that causes disease
- 20. membrane, Thin and flexible layer that controls what enters and leaves the cell
- 22. system, Group of organs that work together to perform a major body function
- 23. wall, Rigid outer layer that supports and protects plant cells and some microbes
- 24. Medicine that kills or slows the growth of bacteria
- 26. respiration, Process where cells break down glucose with oxygen to release energy
- 27. apparatus, Organelle that modifies and sorts and packages proteins for transport
- 29. Protein made by the immune system that binds to specific pathogens
- 30. Jelly like fluid inside the cell where organelles are suspended
- 31. blood cell, Cell in the blood that helps defend the body against infection
- 33. Tiny living thing such as bacteria
Down
- 1. Unicellular prokaryotic micro organisms that can be helpful or harmful
- 2. cell, Cell type that has a nucleus and membrane-bound organelles
- 3. cell, Simple cell type with no nucleus
- 5. Small structure that makes proteins by following genetic instructions
- 6. Made of many specialized cells working together
- 7. Made of only one cell
- 8. Disease outbreak that spreads across many countries or continents
- 9. cell, Eukaryotic cell with a cell wall and chloroplasts
- 10. Maintenance of a stable internal environment in an organism
- 12. Group of similar cells working together to perform a function
- 16. theory, Idea that all living things are made of cells
- 17. Process where plants use light and carbon dioxide and water to make glucose and oxygen
- 19. Organelle that contains DNA and controls cell activities
- 21. Basic unit of structure and function in all living things
- 25. things, Organisms that grow and use energy and respond and reproduce and produce waste
- 28. Movement of particles from an area of higher concentration to lower concentration
- 30. reticulum, Membrane network that helps transport proteins and other materials in the cell
- 32. cell, Eukaryotic cell with no cell wall and no chloroplasts
- 33. Unneeded materials that cells or organisms must remove