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9. How are prokaryotes hypothesized to have evolved into non-photosynthetic and
photosynthetic eukaryotes?

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GinnyAnswer

Final answer:

Prokaryotes evolved into eukaryotes through various hypotheses like nucleus-first, mitochondrion-first, and eukaryote-first, each proposing different evolutionary pathways.


Explanation:

Prokaryotes are hypothesized to have evolved into non-photosynthetic and photosynthetic eukaryotes through different theories:

  1. Nucleus-first hypothesis: Suggests that a primary endosymbiotic event led to the acquisition of a nucleus followed by a secondary event resulting in a mitochondrion.
  2. Mitochondrion-first hypothesis: Proposes that mitochondria were acquired first before the nucleus through endosymbiosis.
  3. Eukaryote-first hypothesis: Puts forth the idea that prokaryotes evolved from eukaryotic cells that lost their nuclei and organelles.

These hypotheses are testable, and further experimentation will help determine which theory is best supported by data.


Learn more about evolution of prokaryotes into eukaryotes here:

https://brainly.com/question/30887552


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