Living Things

3. Where most chemical reactions take place in a cell
6. The acronym used to remember the processes that organisms need to carry out to be considered living
7. Vertebrates that have dry scaly skin and lay eggs with soft shells
8. Vertebrates that have fur, give birth to live young and feed their young milk
10. Vertebrates that breed in water and have smooth, moist skin
11. The process of putting organisms into groups based on their characteristics
12. Controls the activities of the cell
14. Rigid outer layer of plant cells that supports the cell
17. Organisms that don't have a spine
19. The site of photosynthesis
20. Vertebrates that have feathers and wings and lay eggs with hard shells

1. Contains cell sap and acts like a water store in plant cells
2. The process that produces energy from food using oxygen in all living organisms
4. A group of different tissues working together to perform a particular function
5. Organisms with a spine
9. The name of the process plants use to convert water and carbon dioxide into oxygen and glucose using photosynthesis
13. Controls what enters and leaves the cell
15. Vertebrates that always live in the water, swim using fins, breathe using gills and has scaly skin
16. The organ that pumps blood around the body
18. A group of similar cells working together to carry out a specific function
19. The building blocks of life