MEGA
Energy in Biology
Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors…
Item EB077001: As the carbon dioxide level inside a person’s body increases, the person’s body responds by increasing its breathing rate to reduce the level of carbon dioxide.
Some chemical reactions that occur inside a person’s body cells produce carbon dioxide. What will the person’s body do to respond to increased levels of carbon dioxide?
- The person’s body will use the carbon dioxide to produce glucose.
- The person’s body will stop the chemical reactions that produce carbon dioxide.
- The person’s body will increase its breathing rate to reduce the level of carbon dioxide.
- The person’s body will not do anything because it doesn’t matter how much carbon dioxide is inside the body.
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 69 | 136 | 51% |
| Grades | |||
| 6–8 | N/A | N/A | N/A |
| 9–12 | 61 | 116 | 53% |
| Gender | |||
| Male | 34 | 68 | 50% |
| Female | 29 | 51 | 57% |
| Primary Language | |||
| English | 56 | 106 | 53% |
| Other | 1 | 6 | 17% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 100 | 159 | 63% |
| Grades | |||
| 6–8 | N/A | N/A | N/A |
| 9–12 | 94 | 147 | 64% |
| Gender | |||
| Male | 51 | 80 | 64% |
| Female | 41 | 65 | 63% |
| Primary Language | |||
| English | 85 | 135 | 63% |
| Other | 7 | 10 | 70% |