THSB
Matter and Energy in Living Systems
Plants make their own food in the form of sugar molecules from carbon dioxide molecules and water molecules. In…
Item SB036003: To make its trunk, branches, and leaves, a tree makes glucose from carbon dioxide and water and then uses the glucose molecules to make carbohydrate polymers.
What does a tree do to make its trunk, branches, and leaves?
Tree. Photo by Jean Flanagan.
- The cells that make up the tree divide creating new matter that the tree uses to build its trunk, branches, and leaves.
- The tree takes in minerals and water from the soil. Its trunk, branches, and leaves are made up of these minerals and water.
- The tree makes glucose from carbon dioxide and water. Its trunk, branches and leaves are made up of these glucose molecules.
- The tree makes glucose from carbon dioxide and water. It then uses these glucose molecules to make carbohydrate polymers that become part of its trunk, branches, and leaves.
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 117 | 370 | 32% |
| Grades | |||
| 6–8 | 117 | 370 | 32% |
| 9–12 | N/A | N/A | N/A |
| Gender | |||
| Male | 70 | 203 | 34% |
| Female | 47 | 167 | 28% |
| Primary Language | |||
| English | 113 | 342 | 33% |
| Other | 4 | 28 | 14% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 218 | 369 | 59% |
| Grades | |||
| 6–8 | 218 | 369 | 59% |
| 9–12 | N/A | N/A | N/A |
| Gender | |||
| Male | 104 | 203 | 51% |
| Female | 114 | 166 | 69% |
| Primary Language | |||
| English | 205 | 341 | 60% |
| Other | 13 | 28 | 46% |