Where do you think there is greater biological development?
Where do you think there is a greater biological development/ evolution? / Where does the most change occur / the greater difference between the 2 options?
Between the exact point when the sperm meets the egg, to where it grows into a 4 year old baby after birth, OR,
the difference between a 4 year old baby, to a grown adult of 40 years of age.
| From when the sperm meets the egg to a 4 year old | 35 | |
| From a 4 year old to a 40 year old | 8 |