Answer:
nitrogen
Explanation:
Unlike energy, elements are not lost and replaced as they pass through ecosystems. Instead, they are recycled repeatedly. All chemical elements that are needed by living things are recycled in ecosystems, including carbon, nitrogen, hydrogen, oxygen, phosphorus, and sulfur.
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Answer:
La energía del organismo vivo no se puede perder ni ganar del entorno externo.
Explanation:
No. However, energy is required for facilitated diffusion. Also without the membrane, the cell would collapse and wouldn't be able to function.
