Consider the Following Data: A) Most Ancient Eukaryotes Are Unicellular

Consider the following data: a) Most ancient eukaryotes are unicellular. b) All eukaryotes alive today have a nucleus and cytoskeleton. c) Most ancient eukaryotes lack a cell wall. Which of the following conclusions could reasonably follow the data presented?

A) The first eukaryote may have been anaerobic.
B) The first eukaryote may have been photosynthetic.
C) The first eukaryote may have been very similar to a plant cell.
D) The first eukaryote may have been capable of phagocytosis.

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