Item ID085001: Both disease and the number of predators can limit population growth.
Which of the following can limit the growth of a population of organisms?
- Both the number of predators and diseases can limit the growth of a population of organisms.
 - The number of predators can limit the growth of a population of organisms, but diseases cannot.
 - Diseases can limit the growth of a population of organisms, but the number of predators cannot.
 - Neither the number or predators nor diseases can limit the growth of a population of organisms.
 
- Distribution of Responses
 
																- Students Responding Correctly
 
| Group | Correct | Total | Percent | 
|---|---|---|---|
| Overall | 975 | 1366 | 71% | 
| Grades | |||
| 6–8 | 498 | 761 | 65% | 
| 9–12 | 475 | 602 | 79% | 
| Gender | |||
| Male | 477 | 682 | 70% | 
| Female | 481 | 660 | 73% | 
| Primary Language | |||
| English | 927 | 1273 | 73% | 
| Other | 31 | 68 | 46% | 

