Week #3: Giant Kelp, Macrocystis pyrifera

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I am the single most important organism in kelp forest ecosystems. So important in fact, scientists named the entire ecosystem after me. I am uniquely adapted to thriving in nearshore rocky habitat that covers much of the benthos of San Diego county’s marine areas. Something that most people do not know about me is that I am not a plant but actually an algae. I differ from plants in many ways, but most noticeably I do not have roots. I have what is known as a holdfast, which I use as an anchor to secure themselves to the seafloor. As one of the fastest growing organisms on the planet, I have been recorded growing by as much as 2 feet a day and reaching sizes of 150 feet in a single growing season. As a primary producer, I provide nourishment for the entire southern California ecosystem and facilitate San Diego counties vast biodiversity. 

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