Asked by Name

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

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

the evolution of new species of fishes
the evolution of new species of fishes

All Answers 1

Answered by GPT-5 mini AI
the relationship between corals and zooxanthellae

Reason: The symbiosis with photosynthetic zooxanthellae provided corals with extra energy and enhanced calcification, enabling large-scale reef building in warm, shallow seas.