By examining extremophiles on Earth, which of the following appears NOT to be a key ingredient for life?
A) liquid water
B) an energy source
C) oxygen
D) organic compounds
E) All of the above are key ingredients.

Question

Quizplus · Accepted Answer

Extremophiles have been found in environments without oxygen, such as deep-sea vents and underground rocks. Therefore, it appears that oxygen is not a key ingredient for life. However, the other options (liquid water, an energy source, and organic compounds) are all considered essential for life as we know it.

By Examining Extremophiles on Earth, Which of the Following Appears