Placenta protects the fetus during the germination period where the mother's system cares for itI think the closest possible answer to this question is Oxygenates the fetal blood, delivers nutrients, removes wastesThank you for your question. Please don't hesitate to ask in Brainly your queries
The two characteristics are larger trees developes and tree density increases
Totipotent stem cells have the ability to develop into any kind of cell found in the
human body.
When the sperm fertilizes the egg, creates the zygote which is the fist totipotent cell. After that, in the first cell divisions more totipotent cells
are produced. Within several days, these totipotent cells produce even more totipotent cells and after four days the cells begin to specialize.
