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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.
However, because blue whales feed low on the food chain, there is a lesser chance for bioaccumulation of organic chemical contaminants. [154] Analysis of the earwax of a male blue whale killed by a collision with a ship off the coast of California showed contaminants like pesticides, flame retardants, and mercury.
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.
“The blue whale is the largest and loudest animal on Earth.” The blue whale is the largest animal on Earth and likely the largest animal ever to have lived. While this ocean mammoth is dubbed ...
The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as a food source for the whale. Baleen is similar to bristles and consists of keratin, the same substance found in human fingernails, skin and hair. Baleen is a skin derivative. Some whales, such as the bowhead whale, have
Image credits: unusuals86 Called lunge feeding, it allows blue whales to consume a large amount of food at a time, providing the nutrients and energy needed to reach such enormous size.
More whales will then blow bubbles while continuing to circle their prey. The size of the net created can range from three to thirty metres (9.8 to 98.4 ft) in diameter. [6] One whale will sound a feeding call, at which point all whales simultaneously swim upwards with mouths open to feed on the trapped fish. [4]
The largest animals ever known to have lived on Earth ingest up to 96 pounds of microplastics a day, the study suggested.
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