BIOLOGY
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Science Bowl Question

📅 NSB Round Robin 2012🎓 HS🔄 Round 7#️⃣ Question 8🌟 BONUS📝 Multiple Choice

Chloroplasts in green algae have a double membrane, whereas chlorarachniophytes [klohr-uh-ra-KNEE-oh-fyts] have chloroplasts with four membranes. Which of the following is a likely explanation for this observation?

W) Chlorarachniophytes are an example of polyploidy
X) Chlorarachniophyte chloroplasts are the result of ancient endosymbiosis of green algae with a eukaryote [yoo-KAR-ee-oht]
Y) Chlorarachniophyte chloroplasts are parasitic green algae living within the chlorarachniophyte
Z) Chlorarachniophyte chloroplasts are the result of phagocytosis of cyanobacteria [fag-uh-sy- TOH-sis of sy-uh-noh-bak-TEER-ee-uh]
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