Because of cell specialization, a cell for an arm can switch functions to develop an ear

The period from birth to age 2 corresponds to which stage of parenthood?

a. nurturing, in which parents become attached to the child b. authority, in which parents evaluate their parenting style c. departure, in which parents evaluate their successes and failures as parents d. image making, in which parents create an image of the kind of parents they will be

As part of his job, Joseph has been observing iPod users as they manipulate both the standard and multi-touch interface models and will also survey them regarding these models. Joseph would best be described as a

psychologist. a. human factors b. behavioral c. comparative d. developmental