Submission (#153) Approved
User
Prompt
Submitted
27 June 2020, 16:34:17 EDT (4 years ago)
Processed
27 June 2020, 18:18:55 EDT (4 years ago) by Mouse
Comments
Word: Coral Reef
Level: 1
Language: English
Meaning: A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.
Level: 1
Language: English
Meaning: A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.
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