Question

Scientific consensus supports the idea that living organisms require oxygen. Then, a scientist discovers a type of bacteria that metabolizes sulfur instead of oxygen, and thus survives in environments without oxygen. The scientist concludes that a diverse group of many different organisms could live in an oxygen-free environment. Why should are some scientists skeptical of the scientist’s results and conclusion?

Answer 1

Answer: D. The conclusion needs to be supported by more evidence.

Explanation: I did the quiz

Answer 2

It survives by under water volcanoes like the marianas trench. :)