It is hard to believe that it is near that time of year when corn will start to be harvested for silage. We have been ...

Respiration is the physiological process through which oxygen in the environment can be exchanged with carbon dioxide from an organism. This process requires specialized organs such as the lungs ...

Some organisms live and reproduce in oxygen-poor or oxygen-deficient environments. These types of organisms also need ATP to sustain life. To obtain the required energy they undergo anaerobic ...

Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, California 90095, United States ...