[Solved] Which of the following is true of children who are involved in cooperative play? A) They play with toys by themselves, independently of the children around them. B) They do not appear to be playing. C) They only observe other children playing. D) They interact to achieve common, group goals. Gymnosperms: A group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, distinguished by their naked seeds not enclosed in an ovary. Rhizoids: Hair-like structures on the surface of plants, fungi, and algae that absorb water and nutrients and anchor the organism to the substrate. Mosses: Small, non-vascular plants that typically form dense green clumps or mats, often in moist or shady locations. Gametophyte: The sexual phase in the life cycle of plants and algae that produces gametes through mitosis.