Question
Polyps secrete calcium carbonate to form (1 point)
Responses
a coral.
a coral.
a reef.
a reef.
a food source.
a food source.
an exoskeleton
Responses
a coral.
a coral.
a reef.
a reef.
a food source.
a food source.
an exoskeleton
Answers
GPT-4o mini
Polyps secrete calcium carbonate to form **an exoskeleton**.