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A plot of trophic diversity across the major groups of organisms shows highest trophic diversity amo
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
Metastatic process: Tumor leaving primary site to travel to other distant organs to grow.
Fingertip rake over pectoralis major from sternum to shoulder. Pull arm out from the body to access ...
Frontal section of primary somatosensory area in right cerebral hemisphere
Satellite data showing net primary production. Productivity is coded as red (highest) down through o