Original Project
Interdependence in Ecosystems
Item ID074002: Plants compete for water, space, and light when those resources are limited.
Which of the following statements about competition between plants is TRUE?
- Plants compete for water when it is limited, but they do not compete for space when it is limited.
- Plants compete for water and space when they are limited, but they do not compete for light when it is limited.
- Plants compete for water, space, and light when they are limited.
- Plants do not compete for any resource, even when it is limited.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 2039 | 3295 | 62% |
| Grades | |||
| 6–8 | 425 | 792 | 54% |
| 9–12 | 1605 | 2490 | 64% |
| Gender | |||
| Male | 953 | 1544 | 62% |
| Female | 1040 | 1675 | 62% |
| Primary Language | |||
| English | 1842 | 2934 | 63% |
| Other | 139 | 255 | 55% |