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 ...

phytoplankton (microscopic marine plants at the bottom of the oceanic food chain) take up CO 2 in the surface ocean and as part of photosynthesis convert it to particulate and dissolved organic carbon ...

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 ...

Sea Otters: Effects of ocean acidification will be felt up the food chain. Marine mammals like sea otters that rely on shellfish may be in trouble. Studies show that, if left unchecked, within our ...

In Vietnam, it is served as food after being steamed, grilled, stir-fried or cooked with fried rice. Read more at ...

If they die, there’ll be fewer big fish—and that could rattle the food chain. marine-plastic-ocean-fish-microplasticThe naturally oily surface slicks in which many ocean fish come of age are ...