Evolution
Evolution and Natural Selection
Similarities and differences in inherited characteristics of organisms alive today or in the past can be used to…
Item EN050005: All plants and all animals have a common ancestor with each other.
Which of the following statements is TRUE about the evolution of plants and animals?
- All plants and all animals share a common ancestor with each other.
- All plants share a common ancestor, but all animals do not share a common ancestor.
- All animals share a common ancestor, but all plants do not share a common ancestor.
- No plants species share a common ancestor with each other, no animal species share a common ancestor with each other, and no plants share a common ancestor with any animals.
Pre-Test
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 558 |
6–8 n = 25 |
9–12 n = 498 |
Male n = 243 |
Female n = 274 |
English n = 502 |
Other n = 19 |
||
| A. | All plants and all animals share a common ancestor with each other. | 42% | 32% | 41% | 40% | 42% | 41% | 42% |
| B. | All plants share a common ancestor, but all animals do not share a common ancestor. | 23% | 32% | 23% | 22% | 24% | 24% | 0% |
| C. | All animals share a common ancestor, but all plants do not share a common ancestor. | 21% | 24% | 21% | 21% | 20% | 21% | 32% |
| D. | No plants species share a common ancestor with each other, no animal species share a common ancestor with each other, and no plants share a common ancestor with any animals. | 15% | 12% | 15% | 17% | 14% | 14% | 26% |
Post-Test (Control)
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 294 |
6–8 n = 23 |
9–12 n = 247 |
Male n = 109 |
Female n = 171 |
English n = 264 |
Other n = 9 |
||
| A. | All plants and all animals share a common ancestor with each other. | 55% | 30% | 58% | 55% | 56% | 55% | 56% |
| B. | All plants share a common ancestor, but all animals do not share a common ancestor. | 15% | 17% | 15% | 16% | 15% | 15% | 11% |
| C. | All animals share a common ancestor, but all plants do not share a common ancestor. | 22% | 39% | 21% | 20% | 23% | 22% | 33% |
| D. | No plants species share a common ancestor with each other, no animal species share a common ancestor with each other, and no plants share a common ancestor with any animals. | 7% | 13% | 6% | 9% | 6% | 8% | 0% |
Post-Test (Treatment)
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 281 |
6–8 n = 3 |
9–12 n = 257 |
Male n = 132 |
Female n = 140 |
English n = 254 |
Other n = 11 |
||
| A. | All plants and all animals share a common ancestor with each other. | 85% | 100% | 84% | 77% | 91% | 85% | 73% |
| B. | All plants share a common ancestor, but all animals do not share a common ancestor. | 5% | 0% | 5% | 8% | 4% | 5% | 18% |
| C. | All animals share a common ancestor, but all plants do not share a common ancestor. | 7% | 0% | 8% | 11% | 5% | 8% | 9% |
| D. | No plants species share a common ancestor with each other, no animal species share a common ancestor with each other, and no plants share a common ancestor with any animals. | 2% | 0% | 2% | 5% | 1% | 2% | 0% |