Imagine standing face to face with a giraffe, your neck craned back as you gaze up at this gentle giant towering over you. At ...

A classic example of natural selection at work is the origin of giraffes’ long necks. The ancestors of modern giraffes were animals similar to deer or antelope, with necks of ordinary length.

In the vast tapestry of nature, few animals capture the imagination quite like the giraffe. With their towering necks and ...

What roils beneath the Earth's surface may feel a world away, but the activity can help forge land masses that dictate ocean circulation, climate patterns, and even animal activity and evolution. In ...

Aa Aa Aa Natural selection, genetic drift, and gene flow are the mechanisms that cause changes in allele frequencies over time. When one or more of these forces are acting in a population ...

but it takes a different approach to natural selection. Lamarckism proposes that animals acquire characteristics based on use or disuse during their lives, rather than through hard-coded genetic ...