Chapter 2 Handout- Taxonomy and systematics - BIOL 3705...

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BIOL 3705Chapter 2:Taxonomy and SystematicsName: Zoelle ReinkeInstructions- Complete the following handout as thoroughly as possible using your textbook and MoodlePowerpoint files to assist you.Type your answers into this document, print, and turn in by the due date.Handouts are to be completed by each student independently.Section 1:VocabularySystematics-Study of evolutionary relationships among organisms. Specifically between an organismand then higher taxa.Taxonomy-Taxonomy is the practice of describing biodiversity and arranging it into a classificationsystem. This also includes making identification keys for these organisms. In taxonomy it includes all ofthe rules of nomenclature for naming.Apomorphies- Oneof the two groups Henning divided characteristics into. This group was specificallyrecently evolved, derived, or advanced characteristics.Plesiomorphies-The second group that Henning divided characteristics into. This group was ancestralprimitive characteristics.Synapomorphies-Shared derived characteristics, this is especially useful for constructing phylogeneticclassifications.Meristics-Characteristics that respond to specific body segments. An example is the number of fin raysor vertebrae in a fish.Morphometrics-These are characteristics that are measurable. Some examples would be fin lengths,head length, eye diameter, and ratios between measurements.

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Term
Summer
Professor
NoProfessor
Tags
Ichthyology, Evolutionary Relationships, species concept, Taxonomy and Systematics, evolutionary species concept

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