Discussion Ideas - Introduction

Two main themes are stressed throughout the text and are introduced here: (1) this text is an exploration of human anatomy and physiology, and students should readily gain an understanding of bodily functions; and (2) how humans fit in with, and influence, the remainder of living creatures in the biosphere is explored. The delicate balance present in both themes is emphasized.

Humans, as members of the animal kingdom, are the product of millions of years of evolution. They share traits common to all living things, yet possess a cultural heritage that sets them apart. This introductory chapter discusses the biological characteristics of humans and includes an Ecology Focus on the preservation of tropical rain forests.

The manner in which the process of science plays a major role in determining how living systems function is explored. Biologists, like other scientists, employ the scientific method to address questions about the workings of living things.

Moral and ethical decisions arise when scientists and others must choose how to use the results of scientific investigations. The fact that we all share a common social responsibility is also discussed in this chapter.

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