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.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 1597 |
6–8 n = 949 |
9–12 n = 648 |
Male n = 772 |
Female n = 790 |
English n = 1432 |
Other n = 120 |
|
| A. | 60% | 57% | 65% | 59% | 61% | 61% | 52% |
| B. | 13% | 16% | 9% | 14% | 12% | 12% | 23% |
| C. | 15% | 15% | 15% | 14% | 17% | 16% | 13% |
| D. | 12% | 12% | 11% | 13% | 10% | 12% | 12% |