Tree thinking is a pedagogical approach that emphasises the interpretation and construction of phylogenetic trees to elucidate evolutionary relationships. In the context of evolutionary biology ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are the food factories of the tree. Powered by sunlight, the green ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a ...