科学与环境

Colorful fish reveal how species stay distinct despite interbreeding

来源: Phys.org - latest science and technology news stories · 发布于

Colorful fish reveal how species stay distinct despite interbreeding
来源: Phys.org - latest science and technology news stories

Vividly colored fish dwelling at the bottom of shallow Midwestern streams may help biologists understand the evolutionary mechanisms by which species remain distinct despite their similarities and overlapping ranges. Orangethroat and rainbow darters regularly interbreed where the

Vividly colored fish dwelling at the bottom of shallow Midwestern streams may help biologists understand the evolutionary mechanisms by which species remain distinct despite their similarities and overlapping ranges. Orangethroat and rainbow darters regularly interbreed where their ranges overlap, yet—millions of years after they first diverged—they remain separate species.

阅读原文来源
Parrots' vibrant feathers are surprisingly susceptible to bacterial attack
科学与环境

Parrots' vibrant feathers are surprisingly susceptible to bacterial attack

Flashy birds, from peacocks to parrots, have inspired a long tradition of using animal colors to study evolution. Colorful plumage often functions as a signal—for example, to attract a mate. Alternatively, drab colors can be used for camouflage. However, color can have functions

Phys.org - latest science and technology news stories ·