Question

Arrange the processes in the order they occur during embryonic development and cell differentiation.

1. formation of the lining of the digestive tract


2. development of heart muscle cells


3. fusion of the sperm and egg


4. Differentiation of inner cell mass


5. Development of the morula

Answer 1

3 5 1 2 4 i think that

Answer 2

3 5 4 2 1

Hope it helps....