Add Yahoo as a preferred source to see more of our stories on Google. A female giraffe browsing. Everything in biology ultimately boils down to food and sex. To survive as an individual you need food.

This research contributes to understanding how the giraffe's long neck evolved as well as to understanding the extensive integration of courtship struggles and feeding pressure. In fact, the neck size ...

Why do giraffes have such long necks? A study led by Penn State biologists explores how this trait might have evolved and lends new insight into this iconic question. The reigning hypothesis is that ...

WASHINGTON (Reuters) - Fossils unearthed in China of a forerunner of the modern giraffe are offering insight into the early evolution of this mammal's trademark long neck, driven not only by the ...

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Those impossibly long legs that make giraffes look like they’re walking on stilts aren’t just architectural supports for a tall body. Scientists have discovered they’re actually energy-saving devices ...

Giraffes are often used as textbook examples of adaptive evolution, with their elongated necks, specialized cardiovascular systems, and distinctive coat patterns representing striking outcomes of ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Douglas R. Cavener, Penn State (THE CONVERSATION) Everything in biology ultimately ...

Everything in biology ultimately boils down to food and sex. To survive as an individual you need food. To survive as a species you need sex. Not surprisingly then, the age-old question of why ...