What is a key?
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Posted by Akhifa Sheik 4 years ago
- 2 answers
Meghna Thapar 4 years ago
Keys are used to identify different species. A key will usually ask questions based on easily identifiable features of an organism. Dichotomous keys use questions to which there are only two answers. They can be presented as a table of questions, or as a branching tree of questions.
</section> <section data-reactid=".6c2ly8bkoo.0.0.0.1:0.2.0.$0.$2">Branching tree example
This tree could help you identify a new vertebrate. For example, if it had no fur or feathers and dry skin, you would follow the right-hand pathway at the first and second junctions, but the left-hand pathway at the third junction. This would lead you to identify the animal as a reptile.
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Ojhal Sharma 3 years, 11 months ago
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