Paragraph 2
The researcher analyzed
from blacktip
sharks. He put the teeth in separate
tanks for eight weeks. The
water in one had an acidity level similar to
ocean averages. The water in the other tank was more
. The teeth in the more acidic water had
damage, including cavities, root decay, and structural
. Ongoing damage could impact how sharks feed. This could trigger "
effects" across
ecosystems.