Original Project
Matter and Energy in Living Systems
All organisms need food as a source of molecules that provide chemical energy and building materials.
Item ME106003: Molecules made of several carbon atoms linked to each other and to hydrogen and oxygen atoms could be food for plants (item uses molecular models).
In the diagrams below, carbon atoms are represented by black circles, oxygen atoms are represented by gray circles, and hydrogen atoms are represented by white circles.
Which of the following molecules could be food for animals?
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 2571 |
6–8 n = 1479 |
9–12 n = 1084 |
Male n = 1245 |
Female n = 1276 |
English n = 2267 |
Other n = 236 |
||
| A. |
 |
17% | 20% | 13% | 16% | 19% | 17% | 19% |
| B. |
 |
8% | 8% | 9% | 9% | 8% | 8% | 11% |
| C. |
 |
25% | 26% | 23% | 27% | 23% | 25% | 28% |
| D. |
 |
49% | 45% | 55% | 49% | 51% | 50% | 43% |