"Here, they provide a foundation for other biological organisms to colonize, including sea snails and other
mollusks, which serve as food for larger creatures."
(Paragraph 5)
What does the word colonize suggest about the
organisms found near hydrothermal vents?
1.They are causing the extinction of other
life-forms.
2. They are occupying the area as a permanent
habitat.
3. They are taking over the structures using hostile
means.
4. They are taking advantage of the microbes as
food producers.