Plants are divided into broad categories in terms of their mode of nutrition. The first category consists of green plants which make their own food by the common process called photosynthesis. Such ...

A study of Carolina chickadees in residential properties in the Washington, D.C. metropolitan area finds that in properties with more than 30% non-native plant biomass, the abundance of arthropods ...

I n 1827, a London physician with an interest in caterpillar metamorphosis built small glass boxes to contain the cocoons and emerging butterflies. Peering into the “dirt” in one of the boxes one day, ...