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evolutionary trend

evolutionary trend A steady change in a given adaptive direction, either in an evolutionary lineage or in a particular attribute (e.g. height of shoot). Such trends are often apparent in unrelated taxa. Formerly they were attributed to orthogenesis; now orthoselection or the contending theory of species selection are invoked. See also effect hypothesis.

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"evolutionary trend." A Dictionary of Ecology. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"evolutionary trend." A Dictionary of Ecology. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend-0

"evolutionary trend." A Dictionary of Ecology. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend-0

evolutionary trend

evolutionary trend Steady change in a given adaptive direction, either in an evolutionary lineage or in a particular attribute, e.g. dentition. Such trends are often apparent in unrelated taxa. Formerly they were attributed to orthogenesis; now orthoselection or the contending theory of species selection (effect hypothesis) are invoked.

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"evolutionary trend." A Dictionary of Zoology. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"evolutionary trend." A Dictionary of Zoology. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend-2

"evolutionary trend." A Dictionary of Zoology. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend-2

evolutionary trend

evolutionary trend A steady change in a given adaptive direction, either in an evolutionary lineage or in a particular attribute, e.g. height of shoot. Such trends are often apparent in unrelated taxa. Formerly they were attributed to orthogenesis; now orthoselection or the contending theory of species selection is invoked.

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"evolutionary trend." A Dictionary of Plant Sciences. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"evolutionary trend." A Dictionary of Plant Sciences. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend-1

"evolutionary trend." A Dictionary of Plant Sciences. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend-1

evolutionary trend

evolutionary trend Steady change in a given adaptive direction, either in an evolutionary lineage or in a particular attribute, e.g. dentition. Such trends are often apparent in unrelated taxa. Formerly they were attributed to orthogenesis; now ortho-selection or the contending theory of species selection are invoked.

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"evolutionary trend." A Dictionary of Earth Sciences. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"evolutionary trend." A Dictionary of Earth Sciences. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend

"evolutionary trend." A Dictionary of Earth Sciences. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/evolutionary-trend