Historical Perspective Published: May 1999 A unifying concept: the history of cell theory Paolo Mazzarello Nature Cell Biology 1, E13–E15 (1999) Cite this article ...

Pests and diseases are biotic factors that impact an ecosystem and its organisms. Examples: those deer mowing your hostas to ...

Soil is the thin layer of material covering the earth’s surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living ...

Reductive dechlorination of tetrachloroethylene (PCE) and trichloroethylene (TCE) was studied in well-defined microcosms prepared with aquifer materials from three locations. Electron donors and ...

At the molecular level, the convergence of biotic and abiotic stress responses often involves hormonal cross-talk. Stress hormones like JA, salicylic acid (SA), and abscisic acid (ABA) regulate ...

Abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems. Abiotic factors and the phenomena ...

A summer vacation can be beneficial for our houseplants provided that we pay attention to some abiotic (nonliving) factors.

Few organisms create chitin, a polysaccharide. And those that do don’t form these kinds of filaments, Bonneville says. One detection technique employs a fluorescent dye to bind to chitin.

Wetlands in the prairie pothole region of North America, which are among the most threatened ecosystems in the world, provide many services, ranging from waterfowl habitats to pesticide attenuation to ...

The study of the processes by which marine organisms grow and how factors such as temperature, nutrition, microbes, predators, and hormones influence development. (Green fluorescent amphioxus photo by ...

This single genetic individual weighs around 6,000 metric tons. By mass, it is the largest single organism on Earth. Aerial outline of Pando, with Fish Lake in the foreground. (Lance Oditt/Friends of ...