The ability of an organism to move into a new ecological niche due to adaptations it already possesses to cope with the environment of the new niche in question.
Dictionary > Preadaptation
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Still Freshwater & Plants
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
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Freshwater Communities & Lentic Waters
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
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Fruits, Flowers, and Seeds
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
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Primitive Animals
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
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Bryophytes
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
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Geological Periods
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..