Original Project
Interdependence in Ecosystems
In all environments, individual organisms that depend on the same resource may compete for that resource when it…
Item IE038008: Organisms of the same species (wolves or bears) and animals of different species (wolves vs. bears) compete for resources.
Wolves and bears are living in the same national park in Canada. They both eat elk that are in the park. Which of the following statements is TRUE?
- The wolves compete with other wolves, the bears compete with other bears, but the wolves and bears do not compete with each other for the elk.
- The wolves do not compete with other wolves, the bears do not compete with other bears, and the wolves and bears do not compete with each other for the elk.
- The wolves compete with other wolves, the bears compete with other bears, and the wolves and bears compete with each other for the elk.
- The wolves do not compete with other wolves, the bears do not compete with other bears, but the wolves and bears compete with each other for the elk.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 2769 |
6–8 n = 1548 |
9–12 n = 1216 |
Male n = 1339 |
Female n = 1371 |
English n = 2539 |
Other n = 170 |
||
| A. | The wolves compete with other wolves, the bears compete with other bears, but the wolves and bears do not compete with each other for the elk. | 9% | 9% | 8% | 10% | 7% | 9% | 12% |
| B. | The wolves do not compete with other wolves, the bears do not compete with other bears, and the wolves and bears do not compete with each other for the elk. | 8% | 9% | 6% | 9% | 7% | 7% | 16% |
| C. | The wolves compete with other wolves, the bears compete with other bears, and the wolves and bears compete with each other for the elk. | 72% | 67% | 77% | 68% | 75% | 72% | 58% |
| D. | The wolves do not compete with other wolves, the bears do not compete with other bears, but the wolves and bears compete with each other for the elk. | 12% | 14% | 9% | 13% | 11% | 12% | 14% |