Item EN047003: A species living today and an extinct species could share a common ancestor that lived a very long time ago, even if the two species have few similarities.
Which of the following is TRUE about living species and extinct species?
- If a species living today and an extinct species have many similarities, they could share a common ancestor, but if they have few similarities they could not share a common ancestor.
- A species living today and an extinct species could share a common ancestor that lived a very long time ago, even if the two species have few similarities.
- No species living today could share a common ancestor with an extinct species.
- Species living today could share a common ancestor with each other, but extinct species could not share a common ancestor with each other because extinct species are the ancestors of species living today, never of each other.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1689 | 3089 | 55% |
| Grades | |||
| 6–8 | 958 | 1928 | 50% |
| 9–12 | 731 | 1161 | 63% |
| Gender | |||
| Male | 750 | 1440 | 52% |
| Female | 892 | 1565 | 57% |
| Primary Language | |||
| English | 1515 | 2763 | 55% |
| Other | 130 | 245 | 53% |

