Diatoms contain chloroplasts that have four membranes. These four membranes are evidence of secondary endosymbiosis (Option c).
<h3>What is secondary endosymbiosis?</h3>
Secondary endosymbiosis is a hypothesis used to explain why diatom chloroplasts have four membranes.
According to this hypothesis, diatoms received different genes from distinct photosynthetic and non-photosynthetic ancestors.
The acquisition of genes of different ancestors led to diatoms having chloroplasts with four membranes.
Learn more about the endosymbiosis hypothesis here:
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Social science, any branch of academic study or science that deals with sociology, psychology, political science, and economics. Most historians, however, consider history as one of the humanities.
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The average annual temperature of Austin TX is 68.5 F
The father determines if its male or female. So the father is the carrier and the allele is on the Y chromosome.
