61. What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?
1. origin of mitochondria. 2. origin of chloroplasts.
3. origin of multicellular eukaryotes. 4. origin of cyanobacteria.
5. origin of fungal-plant symbioses.
(A) 4, 3, 2, 1, 5
(B) 4, 2, 1, 3, 5
(C) 4, 2, 3, 1, 5
(D) 4, 1, 2, 3, 5
(E) 4, 1, 3, 2, 5
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