Calcium is an important element in human nutrition and plays many other roles in living things and in the environment. This unit, designed to be used as part of an Ecology course which includes agricultural activities, looks at the movement of calcium from igneous rocks in the earth’s past to the skeletons of high school students.
(Recommended for high school Ecology, Nutrition, and Earth Science classes)
Key Words
Dinosaurs History Fossils Paleology Saurians Paleobiology
