Original Project
Evolution and Natural Selection
Item EN049002: All dogs and cats share a common ancestor.
What do scientists find out when they trace the ancestors of dogs and cats?
- All dogs and cats living today share a common ancestor with each other that lived a very long time ago.
- All dogs share a common ancestor with each other, and all cats share a common ancestor with each other, but cats and dogs do not share a common ancestor with each other.
- Some dogs share a common ancestor with some cats, but all cats and dogs do not share a common ancestor with each other.
- Scientists cannot trace the ancestors of any two species back far enough to find out whether they had a common ancestor with each other.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 4505 |
6–8 n = 2744 |
9–12 n = 1761 |
Male n = 2152 |
Female n = 2263 |
English n = 3994 |
Other n = 401 |
|
| A. | 27% | 23% | 32% | 29% | 24% | 26% | 28% |
| B. | 43% | 45% | 41% | 40% | 46% | 44% | 39% |
| C. | 17% | 18% | 16% | 17% | 18% | 17% | 20% |
| D. | 13% | 14% | 11% | 14% | 12% | 13% | 14% |