Fever is an important response to help the organism combat infection, but it has a high cost in terms of energy expenditure. Mammals and birds may therefore lower their temperature instead of raising ...

CAMBRIDGE, Mass. — A Massachusetts biotechnology company says it can produce the fuel that runs Jaguars and jet engines using the same ingredients that make grass grow. Joule Unlimited has invented a ...

Because metabolic rate depends predictably on both body size and temperature, we can estimate the magnitude of many ecological processes from the temperature and size of the organisms that affect them ...

BEAUTY OF LIFE: This computer-generated image illustrating how organisms grow proportionally represents only a tiny portion of image E on the following page. Could it be that the way organisms ...

In biology the relationship of what eats what and how energy passes through an ecosystem is called a food chain. Pyramids can help give us an overall picture of a particular food chain. They can ...