Populations and Chemical Reactions

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.

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.