The article states:
…Colonies of strange sea creatures can be found near vents. There are blind shrimp and giant white crabs. There are large red-lipped tubeworms. There are also tiny bacteria.
The author uses these sentences mostly to help the reader know _________.
How blind shrimp are different from giant white crabs
Why strange sea creatures live near volcanic vents
Some of the unusual animals that live near volcanic vents
That all the animals near volcanic vents are very tiny