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  2. Identification key - Wikipedia

    en.wikipedia.org/wiki/Identification_key

    In biology, an identification key, taxonomic key, or frequently just key, is a printed or computer-aided device that aids in the identification of biological organisms. Historically, the most common type of identification key is the dichotomous key , a type of single-access key which offers a fixed sequence of identification steps, each with ...

  3. Single-access key - Wikipedia

    en.wikipedia.org/wiki/Single-access_key

    In phylogenetics, a single-access key (also called dichotomous key, sequential key, analytical key, [1] or pathway key) is an identification key where the sequence and structure of identification steps is fixed by the author of the key. At each point in the decision process, multiple alternatives are offered, each leading to a result or a ...

  4. Reticulation (single-access key) - Wikipedia

    en.wikipedia.org/wiki/Reticulation_(single...

    In a terminal reticulation a single taxon or next-level-key is keyed out in several locations in the key. This type of reticulation is normally compatible with any printable presentation format of identification keys and normally does not require special precautions in software used for branching keys.

  5. Branching identification key - Wikipedia

    en.wikipedia.org/wiki/Branching_identification_key

    A branching identification key within taxonomy (the practice and science of categorization or classification), is a presentation form of a single-access key where the structure of the decision tree is displayed graphically as a branching structure, involving lines between items. [1]

  6. Determination (biology) - Wikipedia

    en.wikipedia.org/wiki/Determination_(biology)

    The need to identify which plant is which has existed for time immemorial. The ability depends to a large extent on what criteria and whose system is used. Determination now relies on modern taxonomy to define the identify of organisms. Taxonomy is the branch of biology which deals with identity, nomenclature and classification.

  7. Dendrology - Wikipedia

    en.wikipedia.org/wiki/Dendrology

    Dendrology (Ancient Greek: δένδρον, dendron, "tree"; and Ancient Greek: -λογία, -logia, science of or study of) or xylology (Ancient Greek: ξύλον, ksulon, "wood") is the science and study of woody plants (trees, shrubs, and lianas), specifically, their taxonomic classifications. [1]

  8. images.huffingtonpost.com

    images.huffingtonpost.com/2015-02-27-Doc2LettreY...

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  9. Newick format - Wikipedia

    en.wikipedia.org/wiki/Newick_format

    Tree: The full input Newick Format for a single tree Subtree: an internal node (and its descendants) or a leaf node Leaf: a node with no descendants Internal: a node and its one or more descendants BranchSet: a set of one or more Branches Branch: a tree edge and its descendant subtree. Name: the name of a node Length: the length of a tree edge.