[Solved] A species of butterflies gradually becomes darker in color over many generations; this is an example of which characteristic of living organisms? A) They reproduce using DNA. B) They obtain energy from the environment to support metabolism. C) They can evolve as groups. D) They sense the environment and respond to it. Latency Period: A phase in psychosexual development, occurring from about age six to puberty, characterized by a decrease in sexual interests and activities. Erotic Interest: A term reflecting the degree of sexual or romantic attraction one feels towards others, which can vary over time and context. Play: Engaging in activities for enjoyment and recreation rather than a serious or practical purpose, characteristic of both humans and animals. Persona: The aspect of someone's character that is presented to or perceived by others, often tailored to the specific audience or context.