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Demaeyer, E. M. – Children in the Tropics, 1986
This journal issue focuses on problems caused by vitamin A deficiency and its effects on vision. Although these conditions are quite serious and widespread in some areas of the world, they can easily be treated by inexpensive means. The report begins with a discussion of xerophthalmia, the most frequent cause of blindness in preschool-age children…
Descriptors: Anatomy, Blindness, Criteria, Developing Nations
Nature Naturally, 1983
Designed for students in grades 4-6, the teaching unit presents illustrations and facts about snakes. Topics include common snakes found in the United States, how snakes eat, how snakes shed their skin, poisonous snakes, the Eastern Indigo snake, and the anatomy of a snake. A student page includes a crossword puzzle and surprising snake facts. A…
Descriptors: Anatomy, Animal Behavior, Identification, Intermediate Grades