'Guppies' presentation slideshows

Chapter 22

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Testing adaptive hypotheses: a case study

Testing adaptive hypotheses: a case study. John Endler. Poecilia reticulata. Trinidad. Venezuela. ...the wild guppy. Poecilia reticulata. Lives in gravel-bottomed forest streams: headwaters to lowlands. Poecilia reticulata. Lives in gravel-bottomed forest streams: headwaters to lowlands.

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Chapter 22: Descent with Modification: A Darwinian View of Life

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Guppy ( Poecilia reticulata )

Guppy ( Poecilia reticulata ). Rapid evolution in guppies. When guppies coexist with large predatory fish, the guppies mature earlier at a smaller size, have more numerous, smaller offspring, have discrete courtship behavior and are secretive

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