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progressive evolution

progressive evolution Steady, long-term improvement of evolutionary grade, which has allowed plants and animals to become ever more independent of the aquatic environment in which they first evolved. For example, the sequence bryophyte to pteridophyte to gymnosperm to angiosperm represents a progressive evolutionary trend.

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"progressive evolution." A Dictionary of Earth Sciences. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"progressive evolution." A Dictionary of Earth Sciences. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution

"progressive evolution." A Dictionary of Earth Sciences. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution

progressive evolution

progressive evolution A steady, long-term improvement of evolutionary grade, which has allowed plants and animals to become ever more independent of the aquatic environment in which they first evolved. For example, the sequence bryophyte, pteridophyte, gymnosperm, angiosperm represents a progressive evolutionary trend.

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"progressive evolution." A Dictionary of Ecology. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"progressive evolution." A Dictionary of Ecology. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution-0

"progressive evolution." A Dictionary of Ecology. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution-0

progressive evolution

progressive evolution A steady, long-term improvement of evolutionary grade, which has allowed plants and animals to become ever more independent of the aquatic environment in which they first evolved. For example, the sequence bryophyte, pteridophyte, gymnosperm, angiosperm represents a progressive evolutionary trend.

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"progressive evolution." A Dictionary of Plant Sciences. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"progressive evolution." A Dictionary of Plant Sciences. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution-1

"progressive evolution." A Dictionary of Plant Sciences. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution-1

progressive evolution

progressive evolution A steady, long-term improvement of evolutionary grade, which has allowed plants and animals to become ever more independent of the aquatic environment in which they first evolved.

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"progressive evolution." A Dictionary of Zoology. . Encyclopedia.com. 23 Oct. 2017 <http://www.encyclopedia.com>.

"progressive evolution." A Dictionary of Zoology. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution-2

"progressive evolution." A Dictionary of Zoology. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/progressive-evolution-2