O desequilíbrio ecológico dentro do Biosphere 2 (Albert Einstein 2026)

In terms of sustaining human life, the experiment did not go well. Oxygen levels fell significantly, making the inhabitants sick, while carbon dioxide (CO2) levels increased. Countless animals died, including the pollinators the plants needed to reproduce. And although the "biospherians" did survive on their homegrown food, they lost weight to the point where they became a case study for calorie restriction. When supplementary oxygen needed to be brought in, commentators blamed the project as a failure, calling it a "new-age silliness masquerading as science".
(Katarina Zimmer. www.bbc.com, 05.07.2025. Adapted.)

Fonte: BBC, 2025-07-05.

According to the third paragraph, one major ecological imbalance that compromised human habitability in Biosphere 2 was the

A) unexpected incident leading to illnesses and death.
B) severe food diet program the research team were forced to.
C) oscillation of oxygen levels inside the capsule.
D) extermination of a number of animal species and plants.
E) impact of expanded carbon dioxide levels.

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Resposta correta: E

O parágrafo aponta duas mudanças simultâneas na atmosfera: "Oxygen levels fell significantly, making the inhabitants sick, while carbon dioxide (CO2) levels increased". A alternativa E capta o aumento do gás carbônico, que é o desequilíbrio ecológico descrito. A alternativa C erra ao falar em "oscillation": o texto diz que o oxigênio caiu, não que oscilou. A B trata da perda de peso, que foi consequência da alimentação e não um desequilíbrio ecológico, e a D fala em extermínio de plantas, que o texto não afirma.

O desequilíbrio ecológico dentro do Biosphere 2 (Albert Einstein 2026)

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