The sea dragon is a fish that looks and acts like kelp in order to attract its food. A researcher proposes that this is due to a genetic modification that expands smaller appendages already present in these fish's ancestors. What type of explanation is this?

The twinship (alter-ego or partnering) self-object

a) reflects the ego, superego, and the id. b) recognizes the child’s unique capabilities and talents. c) links the child with the admiring caretakers. d) provides a sense of sameness that is essential.

Eating disorders

A) do not have a genetic link. B) appear between the ages of 19 to 25. C) are becoming less common among adolescents. D) have a higher death rate than any other psychiatric disorder.