Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
This photo provided by researchers shows a ciliate parasite-affected sea urchin, center, and a normal-looking one, left, in St. John, U.S. Virgin Islands, in April 2022.