The Sacrificial Sibling Hypothesis [ 10:45 | 4.92 MB ] Play Now | Play in Popup | Download

The success of an animal or plant is determined by how many offspring it produces. But in some cases, not all offspring are created equal. In the February edition of Field Talk, Jaboury Ghazoul of the Swiss Federal Institute of Technology in Zurich, Switzerland, describes how some species of trees invest resources in seeds that [...]