[Solved] Unlike a dyad, which consists of a single relationship, groups have many relationships. How many members are needed to form a small group? A) Three B) Five C) Six D) Four Fraternal Birth-Order Effect: A phenomenon related to sexual orientation, suggesting that a male's likelihood of being homosexual increases with the number of older brothers he has. Maternal Immune Response: The reaction of a mother's immune system to foreign substances, which can affect pregnancy, fetal development, and the health of the newborn. Erotic Plasticity: The degree to which one's sex drive or sexual preferences can be influenced by environmental, situational, or cultural factors. Spirit God: An entity in various religious and spiritual beliefs that is considered divine or sacred, embodying the essence of spirituality or godliness.