In deep-water aquatic ecosystems, with their low standing biomass, rapid turnover of organisms, and high rate of harvest, the grazing food chain may be dominant. As a diagram tool, food web has ...

The sudden heat altered oceans' chemical composition, which affected some top aquatic reptilian predators more than some other species.

Zambia and Kyrgyzstan have been picked to benefit from a programme spearheaded by the United Nations' Food and Agriculture ...

The heavy metal, which bioaccumulates at all levels of the food chain, is toxic to plants and animals ... Elevated levels of cadmium have been identified in all three of those aquatic animals. Cadmium ...