Classification of Life, 2nd EditionTwenty-First Century Books, 1 янв. 2013 г. - Всего страниц: 78 How are polar bears related to pandas? For thousands of years, philosophers and scientists have tried to organize and understand, or classify, the relationships among Earth's animals and plants. Early classification systems were cumbersome and inconsistent. In the late 1720s, Carl Linnaeus began developing a classification system to describe relationships among all living things, including animals, plants, fungi, and bacteria. This organization, called the tree of life, is still the basis of the classification system used by scientists today. |
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... reproduces. Sometimes they look at its internal organs or study its DNA. To classify a plant or a fungus, scientists consider its body structures and behaviors. They also study the molecules in its cells. To classify bacteria and other ...
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Содержание
4 | |
9 | |
17 | |
Classification Meets Evolution | 26 |
Adding New Kingdoms | 34 |
The Birth Of Cladistics | 40 |
Kingdoms Or Domains? | 49 |
Glossary | 62 |
Biographies | 66 |
Source Notes | 71 |
Selected Bibliography | 72 |
Further ReadingWebsites | 74 |
Index | 76 |
Photo Acknowledgments | 78 |
Back Cover | 80 |
Timeline | 64 |