Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Q: Question: What type of vents are giant tube worms found at? Answer: hydrothermal

A: Giant tube worms are found at hydrothermal vents. They get food from the chemosynthetic bacteria that live within them. The bacteria provide food; the worms provide shelter.
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Q: Question: How many bones make up an adult human skeleton? Answer: 206

A: The adult human skeleton includes 206 bones and other tissues. It supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis.
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Q: Question: What is the name for spherical groups of old stars held tightly together by gravity? Answer: globular clusters

A:
Globular clusters are spherical groups of old stars held tightly together by gravity.
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