Across
- 3. A characteristic or quality of a substance that can be observed or measured.
- 4. A simplified representation of a complex system used to explain or predict behavior.
- 6. All the living and non-living things in a specific area that interact with each other.
- 10. A group of organisms of the same species occupying a particular geographic area.
- 11. population The group of organisms that provide the resources for the consumer population.
- 13. The process of transformation or alteration of an ecosystem over time.
- 15. The substance(s) formed as a result of a chemical reaction.
- 16. population The group of organisms that consume other organisms for energy.
- 17. formula A representation of a chemical compound using symbols for its constituent elements.
Down
- 1. storage molecule The molecule responsible for storing energy in cells.
- 2. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
- 5. point The temperature at which a substance changes from a solid to a liquid.
- 7. The ability of an ecosystem to maintain its balance despite changes.
- 8. The basic unit of matter composed of protons, neutrons, and electrons.
- 9. A small representative part of a larger whole, used to examine or analyze.
- 11. A substance that undergoes a chemical reaction.
- 12. To change the order or position of something.
- 14. point The temperature at which a substance changes from a liquid to a gas.