Through science man has greatly increased his knowledge of God's creation and used that knowledge to benefit mankind, by carefully studying and observing nature and discovering the laws of creation we use those laws for the good of all men. Biology or life sciences, is the study of living things, it began with God's command to Adam and Eve to subdue the earth. From the beginning man has been using and studying and naming living things. Scientists who study living things are called biologists. This is a christian science textbook, designed to help meet the needs of Christian schools or parents reach children and young people for the lord and train them in the Christian way of life.