[Solved] According to the NAEYC's principles of "developmentally appropriate practice", A) teachers should use highly structured lesson plans. B) children should be allowed to direct their own play activities. C) there is no place for work in the educational curriculum. D) most child-initiated learning occurs without teacher guidance or input. E) play is valuable, but work is more important to a child's overall development. Microscopic Characteristics: Features or properties of organisms or substances that are too small to be seen with the naked eye and require a microscope to be observed. Widow's Peak: A V-shaped point on the human forehead hairline due to a specific genetic trait. Straight Hairline: A form of hairline where the hair grows in a straight line across the forehead. Recessive: A genetic trait that is expressed only when two copies of the gene are present, not seen when a dominant gene is present.