What stage is cell B in?
P. S: this is a plant cell.

In what for do plants utilize nitrogen? why do they need nitrogen?

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.

Ecology can best be described as the study of what