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2. Marine food web - Wikipedia

   en.wikipedia.org/wiki/Marine_food_web

   A food web model is a network of food chains. Each food chain starts with a primary producer or autotroph, an organism, such as an alga or a plant, which is able to manufacture its own food. Next in the chain is an organism that feeds on the primary producer, and the chain continues in this way as a string of successive predators.

3. Food web - Wikipedia

   en.wikipedia.org/wiki/Food_web

   A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.

4. Food chain - Wikipedia

   en.wikipedia.org/wiki/Food_chain

   Food chain in a Swedish lake. Osprey feed on northern pike, which in turn feed on perch which eat bleak which eat crustaceans.. A food chain is a linear network of links in a food web, often starting with an autotroph (such as grass or algae), also called a producer, and typically ending at an apex predator (such as grizzly bears or killer whales), detritivore (such as earthworms and woodlice ...

5. Marine protists - Wikipedia

   en.wikipedia.org/wiki/Marine_protists

   Dead diatoms drift to the ocean floor where, over millions of years, the remains of their frustules can build up as much as half a mile deep. [64] Diatoms have relatively high sinking speeds compared with other phytoplankton groups, and they account for about 40% of particulate carbon exported to ocean depths. [60] [65] [62]

6. Marine primary production - Wikipedia

   en.wikipedia.org/wiki/Marine_primary_production

   The tiny marine cyanobacterium Prochlorococcus, discovered in 1986, forms today part of the base of the ocean food chain and accounts for more than half the photosynthesis of the open ocean [23] and an estimated 20% of the oxygen in the Earth's atmosphere. [24]

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