Original Project
Interdependence in Ecosystems
Item ID075002: Competition between animals does not always involve direct confrontation (fighting).
Which of the following statements about competition between animals is TRUE?
- Competition may involve two lions fighting over prey but not two cows eating grass in the same field.
- Competition may involve two birds fighting over a nesting site but not one bird placing its eggs in the nest of another.
- Competition may involve two birds fighting over a nesting site, two lions fighting over prey, or one bird placing its eggs in the nest of another but not two cows eating grass in the same field.
- Competition may involve two birds fighting over a nesting site, two lions fighting over prey, one bird placing its eggs in the nest of another, or two cows eating grass in the same field.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 597 | 1402 | 43% |
| Grades | |||
| 6–8 | 276 | 747 | 37% |
| 9–12 | 320 | 649 | 49% |
| Gender | |||
| Male | 265 | 672 | 39% |
| Female | 318 | 697 | 46% |
| Primary Language | |||
| English | 513 | 1197 | 43% |
| Other | 69 | 168 | 41% |