What happens after the first stage separates?

The cluster of developing cells from conception until birth is called an

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things