That's important not only for understanding giraffe evolution but how male and female ... evolved long necks to help them ...

What do phylogenetic trees illustrate? These diagrams don't just organize knowledge of biodiversity - they also show us that living species are the summation of their evolutionary history.

The Evolution Lab contains two main parts: Build A Tree: Students build phylogenetic trees themed around the evidence of evolution, including fossils, biogeography, and similarities in DNA.

Animation describing the evolution of the giraffe. Sam, a young tortoise ... She could reach leaves further up the trees. When she had young, some of them also had longer necks and they too ...

To help you explore this tree and understand the amazing mechanism behind it, we’ve created the NOVA Evolution Lab. Play this Lab and you’ll be on your way to becoming an expert in ...

GIRAFFE: Just look at those leaves! This is the perfect tree for a spot of lunch. Hello there, elephant! Haven't seen you for a while. How are things? GIRAFFE: Hey! Leave me some, will you?

This allows the animal to reach the leaves of tall trees. But an elongated neck is also integral to the ... Mice also have seven cervical vertebrae in their necks, though extremely small compared to ...

Intracellular endosymbionts that originally descended from free-living prokaryotes have been important in the evolution of eukaryotes by giving rise to two cytoplasmic organelles. Mitochondria ...

In an increasingly competitive industry, Evolutionary Tree falls behind on a number of key metrics, resulting in a Below Average Parent Pillar rating. Longest-tenured managers have four years of ...