From a biological perspective, it is important for scientists and the general public to understand that organisms do interact with their environment; in this sense, it often incorporates the terms ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. Ecosystems are composed of the plants, animals, people, and other living things that ...

A food web is a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment. The simplest explanation is that food webs are "who eats whom" ...