But the researchers found that in 38 percent of the impacted colonies, the polyps had devised a survival strategy: shrinking their dimensions, partly abandoning their original skeleton, and gradually, over a period of several years, growing back and starting a new skeleton.
Should I actually read that as the polyps that did not shrink died off whereas those that were able to shrink survived and were able to survive and grow back over a period of years? Some polyps shrink due to the problems, some just die off? Guess which ones we see around after a longer period of time?
This is just like the cats that died when exposed to sunlight. Those all died off and were not able to reproduce and we are not aware of them at all since all we have left are cats that are OK with sunlight.
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