[Solved] Which of the following is NOT a benefit of biodiversity for humans? A) Reducing air pollution B) Food C) Ecological services D) Aesthetics E) Drugs and medicines Universal Meaning: An interpretation or significance of something that is accepted or understood across different cultures or contexts. Psychosexual Development: Freud's theory on the stages of a child's development focusing on the libidinal energy and how it shifts and matures in different areas of the body. Toddler: is a young child, especially one who is learning or has recently learned to walk, typically aged between one and three years old. Oedipal Complex: According to Freud, children erotically manifest tinged desires for the other-sex parent, accompanied by feelings of hostility toward the same-sex parent.