Evolution of New Life Quick Check

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Question
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
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1 answer

The correct response is:

the relationship between corals and zooxanthellae

This symbiotic relationship allowed corals to thrive and led to large-scale growth of coral reefs millions of years ago, as the zooxanthellae provide energy to the corals through photosynthesis.