Which parts provide food for the developing chick?
- 2 and 3
- 4 and 5
-
3 and 4
- 2 and 5
- 1 and 2
The correct answer is: C
Explanation
The yolk (also known as the vitellus) is the nutrient-bearing portion of the egg whose primary function is to supply food for the development of the embryo.
Albumen proteins are known to flow into the amniotic cavity, the yolk sac and finally the digestive tract of the embryo and are used as the main source of proteins for tissue synthesis.
They are labelled 3 & 4 respectively.