Which is a central idea of the passage? Hydrothermal vents form in the depths of the ocean when the Earth's tectonic plates shift and
move apart
Scientists studying hydrothermal vents are modern-day pioneers because they travel to places
where no one has ever been.
Hydrothermal vents support a variety of organisms that have adapted to the conditions of the
deepest parts of the ocean.
The discovery of hydrothermal vents suggests that not all life is dependent upon the Sun for
energy