Mercury is present in seawater in small quantities. It gets into the marine food chain starting at the very bottom, absorbed by microscopic algae. Larger, carnivorous species like sharks and ...

Levels of lead and other heavy metals spiked in L.A.’s coastal waters after the January fires, raising serious concerns for ...

A perfectly simple food chain. And we can see food chains happening ... food chain involves over thirty organisms found in the deep ocean. Human activities like deforestation, pollution, and ...

Zooplankton are one of the most diverse and abundant groups of organisms on Earth and they play an essential role in the marine food chain. Unable to photosynthesise, as phytoplankton do ...