Question

Methanopyrus kandleri and Pyrolobus fumarij are bacteria that live near hydrothermal vents under the oceans. Temperatures at these vents can reach well over 100 degrees Celsius.

Both organisms obtain energy from hydrogen but Methanopyrus kandleri grows best at 98 degrees Celsius while Pyrolobus fumarij prefers to reproduce at temperatures above 100 degrees Celsius. These bacteria provide the base of a food web at the bottom of the ocean floor.

What questions could a student ask in order to investigate this difference between the bacteria?

Question options:


Does the Methanopyrus kandleri live farther away from the vent than the Pyrolobus fumarij?


Is one organism better adapted to the environment than the other?


What kind of heat tolerance do other nearby organisms have?


Does Methanopyrus kandleri have a thicker cell wall than Pyrolobus fumarij?

Answer 1

Answer:

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