Bios 1710 Chapter 23 Vocab.
Terms in this set (18)
A diagrammed hypothesis about the evolutionary history, or phylogeny, of a species.
Groups that are more closely related to each other than either of them is to any other group.
Describes groupings in which all members share a single common ancestor not shared with any other species or group of species.
Describes groupings that include some, but not all, the descendants of a common ancestor.
Describes groupings that do not include the last common ancestor of all members.
A group of closely related species.
A group of closely related genera.
A group of closely related families.
A group of closely related orders.
A group of closely related phyla.
One of the three largest limbs of the tree of life: Eukarya, Bacteria, or Archaea.
One of the anatomical, physiological, or molecular features that make up organisms' bodies.
The observed condition of a character, such as presence or absence of lungs or arrangement of petals.
Describes characters that are similar in different species because of descent from a common ancestor.
Describes similar characters that evolved independently in different organisms as a result of adaptation to similar environments.
A shared derived character; a homology shared by some, but not all, members of a group.
Phylogenetic reconstruction on the basis of synapomorphies.
Choosing the simplest hypothesis to account for a given set of observations.
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