Level Two: Herbivores. The next level of the marine food chain is made up of animals that feast on the sea's abundant plant life. On the ocean's surface waters, microscopic animals—zooplankton ...

Climate change could alter ocean food chains, leading to far fewer fish in the sea Sustained ocean warming could greatly reduce catches of fish like these herring photographed off Norway ...

The deep ocean is filled with sea creatures like giant larvaceans. They're actually the size of tadpoles, but they're surrounded by a yard-wide bubble of mucus that collects food — and plastic.

CALIFORNIA COAST Colder water good for tiny krill, key link in food chain By David Perlman , Chronicle Science Editor Aug 26, 2008 John Blanchard / Chronicle Graphic ...

CAMBRIDGE, England (Reuters) – Ocean acidification caused by climate change is making it harder for creatures from clams to sea urchins to grow their shells, and the trend is likely to be fel… ...

Not only are they food for so much of what lives in the ocean, but they add huge amounts of oxygen to the atmosphere. "Anywhere between 1 in 4 and 1 in 2 breaths we take comes out of the ocean ...

Base of Ocean Food Chain Is in Decline, Study Finds. News. By Wynne Parry published 28 July 2010 When you purchase through links on our site, we may earn an affiliate commission.

Levels of lead and other heavy metals spiked in L.A.’s coastal waters after the January fires, raising serious concerns for the long-term health of the marine food chain.

Ocean waters are getting greener at the poles and bluer toward the equator, according to an analysis of satellite data published in Science on June 19. The change reflects shifting concentrations ...