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dichotomous key |
Also found in: Wikipedia, Hutchinson | 0.03 sec. |
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dichotomous key n (Life Sciences & Allied Applications / Botany) a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Distribution maps and color photographs of each species add a keen visual touch, combined with dichotomous keys for identification in both English and Spanish, to make The Amphibians And Reptiles Of El Salvador an excellent resource especially for identifying herpetofauna specimens. Other popular science lessons for schoolyard habitats include water testing, soil studies, insect counts and identification, and learning how to use a dichotomous key to identify plants, Hawthorne says. A couple of weeks were devoted to systematics and cladistics and dichotomous keys. |
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