Across
- 1. all of the microorganisms that live in a particular environment, such as a human body
- 3. the process of drawing a conclusion on the basis of evidence
- 5. pathway that breaks down glucose and produces ATP
- 6. the structural units (monomers) that make up proteins
- 9. A living thing
- 10. The ability to do work
- 14. An assertion, usually supported by evidence
- 15. proof
- 16. a group of atoms bonded together
- 17. organ system that permits blood to circulate and transport nutrients
- 18. a medicine used to save lives because it destroys harmful bacteria and cures infections
- 20. organisms that are too small to be seen with the unaided eye
Down
- 2. chemical element with the symbol O and atomic number 8
- 3. system/network of organs and tissues that help you breathe
- 4. simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.
- 7. system involved in the breakdown of food into smaller pieces.
- 8. too small to be seen except under a microscope
- 11. single-celled organisms that lack a nucleus; prokaryotes
- 12. The basic unit of structure and function in all living things
- 13. the chemical processes that occur within a living organism in order to maintain life.
- 19. a percentage of original size to enlarge or reduce the size of an object.
- 21. groups of organs and tissues that work together to perform important jobs for the body