Question

Explain the formation of the embryo.

Answer 1

1. The zygote (fertilized egg) further divides repeatedly into groups of cells.
2. These cells develop into different tissues and organs constituting a full body.
3. This structure is known as an embryo.
4. The embryo continues to develop in the uterus and it is developed into body parts such as the head, face, hands, legs, etc.
5. Based on the embryo develops outside or inside the body, animals are classified into oviparous and viviparous respectively.