Complex sentence: These bacteria are capable of chemosynthesis and live inside of the giant tube worm which lives situated on hydrothermal vents which spew very high amounts of chemicals that these bacteria can transform into energy.
Split into simpler sentences: These bacteria are capable of chemosynthesis and live inside of the giant tube worm which lives situated on hydrothermal vents. These vents spew very high amounts of chemicals that these bacteria can transform into energy.