Why an egg is so much larger than a sperm cell?
1 Answer
Mar 20, 2018
The egg contains food for the first part of the foetus' life.
Explanation:
In egg-eggs (as in birds' eggs) the food is enough for the chick to mature to an independent being.
In mammals the food is just enough for the egg to nestle in the uterus wall untill a placenta is formed.
