Cambridge Secondary (7-9). Stage 9. MCE Science. Workbook - Unit 3: Variation and Inheritance - Question 13

The table shows the data for the length of a growing fetus at different stages of development.

| Month | Length in cm |
|---|---|
| 1 | 0.5 |
| 2 | 2 |
| 3 | 7 |
| 4 | 14 |
| 5 | 20 |
| 6 | 26 |
| 7 | 32 |
| 8 | 36 |
| 9 | 50 |

Refer to your graph to answer: Between which two months does the fetus double in size?