Repeated evolution: Despite its great advantages, photosynthesis lost multiple times in diverse organisms

It is not easy to understand how natural selection works …

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Despite the great advantages, loss of photosynthesis has occurred in diverse lineages of organisms (e.g. apicomplexans, chlorophytes, cryptophytes, diatoms, dinoflagellates, euglenophytes, and Orobanchaceae species), along with heterotrophic free-living algae, holoparasitic plants, and pathogenic protists