試題詳解

3. The oxygen revolution changed Earth's environment dramatically. Which of the following adaptations took advantage of this change?
(A) the persistence of some animal groups in anaerobic habitats
(B) the evolution of chloroplasts when early protists engulfed photosynthetic cyanobacteria
(C) the evolution of photosynthetic pigments that protected early algae from the corrosive effects of oxygen
(D) the evolution of cellular respiration, which used oxygen to help harvest energy from fuel molecules

(E) the evolution of multicellular eukaryotic colonies from symbiotic communities of prokaryotes