NSCC Human Biology
About This Book
Chapter 1: Introduction to Biology Viewed from space, Earth offers few clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years h
| Category | science |
|---|---|
| Subject | Human biology, Biology, life sciences |
| Year | 2023 |
| Authors | |
| Chapters | 7 |
| Word Count | |
| Price | |
| License | Creative Commons - Attribution - https://creativecommons.org/licenses/by/4.0/ |