Quiz · Extremophiles: Life in Hostile Places

Question 1What is the main idea of this talk?

Why hot springs are dangerous for tourists How industry can reduce water pollution What extremophiles are and why they matter to science Why most organisms cannot live in salty water

Question 2How do many extremophiles produce their energy, according to the talk?

From minerals like iron and sulphur instead of oxygen From sunlight deep under the glaciers From eating tiny fish in hot springs From warm air above the boiling vents

Question 3Why do extremophiles interest scientists who study other planets?

They prove that aliens have already visited Earth They suggest life could exist on worlds like Jupiter's icy moons They show that space travel is now possible They explain why the moon has no atmosphere