Phytoplankton are on the bottom of the food chain so their nourishment and population growth are essential to other creatures from the small fish that eat them, to larger fish and eventually, humans.If phytoplankton cannot survive, they cannot support the other fish that eat the phytoplankton and they too die. read more
One of the most important types of plankton is phytoplankton. Like land-based food chains, marine food chains begin with creatures capable of producing food from nutrients and sunlight. Phytoplankton do not eat in a traditional sense: They produce energy through photosynthesis. read more
As you learned in Invisible Watery World,there are two different types of plankton, phytoplankton and zooplankton. All other life in the ocean needs phytoplankton to survive. read more
Most plankton, known as phytoplankton, (but not all) eat in much the same way as do plants - through photosynthesis, the process by which sunlight is converted into food energy. More Planktonic animals mostly eat other plankton, incluing the planktonic plants described above, and smaller animals which are also plankton. read more