National Geographic Channel
Our planet is home to over ten million species, but not one of them can survive on its own.
How Nature Works (Friday - Nat Geo Channel, 8pm)sheds new light on the relationships among plants and animals that keep our world spinning.
Travel high up into the trees of East Africa with the giraffes and witness how their ability to eat around termites makes homes for the geckos. Journey deep into the forests of North America where a caterpillar munches holes in leaves that allow for essential light to penetrate the forest floor.