Primary Ecology S.
6 total works
Describes the characteristics, behavior, and habitat of worms, and explains how to set up a vermi-composter.
Describes the nature and properties of air and examines the interrelationship of air, trees, wind, water, chemicals, and people.
Describes the relationship between human beings and nature and examines how the actions of humans can upset the ecological balance.
Discusses the nature of color, color vision, the use of color by various plants and animals to hide, to attract, and to warn, the psychology of color, and other ways in which color works in the natural world.
Describes the origin, properties, and importance of water.
Describes the characteristics and life cycle of trees and examines their various uses.