The continental margin<span> is the zone of the ocean floor that separates the thin oceanic crust from thick </span>continental<span> crust. Together, the </span>continental<span> shelf, </span>continental<span> slope, and </span>continental<span> rise are called the </span>continental margin<span>. </span>Continental margins<span>constitute about 28% of the oceanic area.</span>
(English )Is it correct to say that energy follows a linear flow in the food sections, while nutrients are constantly recycled? Explain.
(Portuguese) É correto afirmar que a energia segue um fluxo linear nas cadaeias alimentares, enquanto os nutrientes são constantemente reciclados? Explique.
Answer: <u>Yes</u>.
Responder: <u>Sim.</u>
Explanation: (*English) A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another; the levels in the food chain are producers, primary consumers, higher-level consumers, and finally decomposers.
(*Portuguese) Uma cadeia alimentar é uma sequência linear de organismos através dos quais nutrientes e energia passam enquanto um organismo come outro; os níveis na cadeia alimentar são produtores, consumidores primários, consumidores de nível superior e, finalmente, decompositores.
