A group of team, is a group of people that can include more than 1 person. Like if there is a game and people are in teams they help each other out and compete against the other team
The answer is the critical period. Destructive substances, for example, medications or radiation that attack the womb and result in birth abandons are called teratogens. Teratogens are particularly harming in the embryonic stage since it is a critical period in pre-birth advancement.