8. Which of the following is true?

A   Corals acquire most of their energy via photosynthesis.

Correct! Correct!

Next!

B   Corals spawn as often as twice a day.

Incorrect! Corals spawn as infrequently as once a year.

C  All corals are hermaphroditic.

Incorrect! Corals can be both gonochoristic (unisexual) and hermaphroditic.

D   Corals create the largest reefs in very deep water.

Incorrect! Most reef-forming corals are in relatively shallow water.

Start over Pixabay