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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... hundred monkey species. Where does this newfound creature fit in? While observing the monkey from a distance, Jones and Davenport noticed that it was a lot like the mangabey monkeys living nearby. It looked similar and behaved similarly ...
... 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 how it repro- duced. Once he ...
... hundred plant species—almost one thousand more than Theophrastus does. He also introduces a clever method for classifying plants. This method focuses on the size, shape, color, and other characteristics of a plant's fruits and seeds ...
... hundred larger, more general groups that he called genera. (The singular form of genera is genus.) All the plants in each genus had many traits in common, but they weren't similar enough to be members of the same species. For example ...
... hundreds of pressed flowers. He also brought back notebooks full of information about the landscape, the wildlife, the rocks, and the people. Linnaeus's travels fueled his desire to classify living things. Soon after completing his ...
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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 |