Unit 1 Review

2. includes all of the living and nonliving parts of a given area
3. system that produces insulin after you eat a meal
5. system that sweats to cool you down
9. type of feedback where the change keeps going in one direction
10. type of feedback where there is a change and then it goes back to normal
14. system that allows you to take in information and decide what to do
16. system breaks down food into small molecules, like glucose, that cells can absorb
19. water is a ___________ component of an ecosystem
22. a thermostat senses the temperature of a room and turns on the AC. The change in temperature is the __________ in the negative feedback loop.
23. a thermostat senses the temperature of a room and turns on the AC. Turning on the AC is the _______ in the negative feedback loop.

1. variable that is graphed along the y-axis (vertical)
4. is made up of different cells, tissues, organs, and organ systems
6. all living things are capable of ____ larger.
7. type of graph used to track changes over time
8. all living things are made up of one or more ___.
11. a group of similar cells working together to perform a specific function
12. type of muscle tissue used when you move your body, like when exercising
13. the process by which living organisms maintain a constant internal environment; also a characteristic of all living things
15. change in internal or external environment of living things that cause a response.
17. process of maintaining a constant internal temperature, such as by shivering.
18. type of tissue that constricts or dilates in response to temperature changes.
20. hormone that lowers blood sugar when it tells cells to take in glucose
21. tissue that carries oxygen and nutrients around the body