Which of the following triggered large-scale growth of coral reefs millions of years ago?(1 point)

Responses

the relationship between corals and zooxanthellae
the relationship between corals and zooxanthellae

the extinction of some species of algae
the extinction of some species of algae

the effect of tsunamis on marine life
the effect of tsunamis on marine life

the evolution of new species of fishes

the evolution of new species of fishes