Original Project
Evolution and Natural Selection
Item EN046004: Chimpanzees, humans, zebras, and worms all share an ancient common ancestor.
Some organisms, such as a chimpanzee and a human, have many similarities. Others, such as a zebra and a worm, have fewer similarities. What is TRUE about the ancestors of these organisms?
- Chimpanzees and humans share a common ancestor with each other, but zebras and worms do not share a common ancestor with each other.
- Chimpanzees and humans share a common ancestor with each other, and zebras and worms share a common ancestor with each other, but chimpanzees and humans do not share a common ancestor with zebras and worms.
- Because chimpanzees, humans, zebras, and worms are separate species, none of them shares a common ancestor with any other.
- Chimpanzees, humans, zebras, and worms all share an ancient common ancestor.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 188 | 1597 | 12% |
| Grades | |||
| 6–8 | 115 | 949 | 12% |
| 9–12 | 73 | 648 | 11% |
| Gender | |||
| Male | 102 | 772 | 13% |
| Female | 79 | 790 | 10% |
| Primary Language | |||
| English | 168 | 1432 | 12% |
| Other | 14 | 120 | 12% |