Original Project
Interdependence in Ecosystems
Given adequate resources and an absence of disease or predators, populations of organisms in ecosystems can incr…
Item ID084001: Both the number of predators and the availability of resources can limit the growth of a population of organisms.
Which of the following can limit the growth of a population of organisms?
- Both the number of predators and the availability of resources can limit the growth of a population of organisms.
- The number of predators can limit the growth of a population of organisms, but the availability of resources cannot.
- The availability of resources can limit the growth of a population of organisms, but the number of predators cannot.
- Neither the number or predators nor the availability of resources can limit the growth of a population of organisms.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 869 | 1404 | 62% |
| Grades | |||
| 6–8 | 403 | 753 | 54% |
| 9–12 | 463 | 645 | 72% |
| Gender | |||
| Male | 412 | 668 | 62% |
| Female | 439 | 702 | 63% |
| Primary Language | |||
| English | 756 | 1199 | 63% |
| Other | 92 | 167 | 55% |
- Disciplinary Core Ideas
- LS2.A Organisms, and populations of organisms, are dependent on their environmental interactions both with other living things and with nonliving factors.
- NRC Framework
- Stability and Change: An understanding of dynamic equilibrium is crucial to understanding the major issues in any complex system--for example, population dynamics in a ecosystem...