Plants are often seen as passive organisms, rooted in one place and largely unable to react to the world around them. But a ...

Q. Most examples of unusual wildlife are animals. Which plants do you think are notable, or at least interesting, in some way? A. I have received this question before, the first time being from Joab ...

Evolution has long been viewed as a rather random process, with the traits of species shaped by chance mutations and environmental events — and therefore largely unpredictable. But an international ...

Cells are the smallest unit of life. Cells in multicellular plants and animals are arranged into tissues, organs and organ systems. Cells. Tissues. Organs. Organ systems. And the organism itself.