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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... plants. Aristotle sorted about five hundred different organisms into these groups. Before Aristotle classified an animal, he observed its body structures closely. He also considered its behavior. He knew where it lived, what it ate, and ...
... plants too, but no copies of his works on plants exist to prove it. Luckily, his student Theophrastus kept track of Aristotle's plant classification ideas. In History of Plants and Inquiry into Plants, Theophrastus divides plants into ...
... Plants), a book that finally replaced Theophrastus's ancient texts. In this book, Cesalpino describes fifteen hundred plant species—almost one thousand more than Theophrastus does. He also introduces a clever method for classifying plants ...
... classifying plants. He collected specimens from all over Europe. During his lifetime, Ray described more than eighteen thousand kinds of plants. He divided them into two broad groups—monocots and dicots—that we still use. A monocot has ...
... classification. Species comes from a Latin word that means “appearance,” “sort,” or “kind.” During Ray's time, naturalists always used physical appearance to classify plants and animals. What. Is. a. Species? When modern scientists classify ...
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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 |