It’s referred to as an embryo, then after two months, it can be called a fetus or foetus
*technically, until after two months of the ongoing development*
You’re correct in my opinion they all seem to be contamination
An important aspect of my teammates would be that they are able to play as a team and play in a team setting, that they are able to consider the team and success of the team over their own success, as well as their own glory. These are two main things important in teamplay and team sports.