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The Amazon rainforest, [a] also called Amazon jungle or Amazonia, is a moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This basin encompasses 7,000,000 km 2 (2,700,000 sq mi), [ 2 ] of which 6,000,000 km 2 (2,300,000 sq mi) are covered by the rainforest . [ 3 ]
Amazonian soils are generally nutrient-poor in central and northwestern Amazon and are moderately rich in southwestern Amazon. Anthrosols are soils whose fertility has been enhanced by humans. Pre-Columbian settlements appear to have been active over the centuries in enhancing certain soils, which are now known as terra preta (dark earth in ...
The dense tropical Amazon rainforest is the largest tropical rainforest in the world. [2] It covers between 5,500,000 and 6,200,000 square kilometres (2,100,000 and 2,400,000 sq mi) of the 6,700,000 to 6,900,000 square kilometres (2,600,000 to 2,700,000 sq mi) Amazon biome. The somewhat vague numbers are because the rainforest merges into ...
Maniçoba is an Amazonian dish from Brazil made with pieces of meat, sausage, manioc, and culantro leaves. Amazonian cuisine includes many freshwater fish such as peixe nobre (noble fish), the pirarucu (the world's largest freshwater fish), [citation needed] and tambaqui.
Within an ecological food chain, consumers are categorized into primary consumers, secondary consumers, and tertiary consumers. [3] Primary consumers are herbivores, feeding on plants or algae. Caterpillars, insects, grasshoppers, termites and hummingbirds are all examples of primary consumers because they only eat autotrophs (plants).
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Manatees make seasonal movements synchronized with the flood regime of the Amazon Basin. [7] They are found in flooded forests and meadows during the flood season, when food is abundant. [7] The Amazonian manatee has the smallest degree of rostral deflection (25° to 41°) among sirenians, an adaptation to feed closer to the water surface. [18]
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 ...