Lists the questions about animals most asked by children within specific stages of cognitive development. Based on a research project on children's questions, this article suggests that an understanding of a child's questions can provide information on his psychological needs, interests, and level of cognitive development. (SA)

There is a group of terrestrial crustaceans, the isopods or sowbugs, that spend their lives in the cool, damp and dark microhabitats beneath rocks, decaying logs, and leaf litter. Although these animals are well adapted to exploit these moist niches, they are obligated to live where they do because of their need for moisture and high humidity to…