Question 2 1 pts An analysis by Maria Rivera and James Lake suggests that ancien

Question

Question 2 1 pts An analysis by Maria Rivera and James Lake suggests that ancient eukaryotic cells emerged from the fusion of an archaeal cell (most likely from the phylum Eocyta) and a bacterium (Rivera and Lake 2004). Which of the following is correct regarding this working hypothesis? Eukaryotic cells probably evolved when a parasitic species of bacteria residing in another prokaryotic cell became less harmful OEukaryotic cells probably evolved through endosymbiosis, in which either the archaeal or bacterial cell was engulfed within the other. O The eukaryotic lineage probably began when an archaeal cell became integrated into a bacterial cell The eukaryotic lineage probably begarn when a bacterial cell became integrated into an archaeal cell

Explanation / Answer

2. The answer is - Eukaryotic cells probably evolved through endosymbiosis in which either archaeal or bacterial cell was engulfed with in the other.

According to this theory archaea and bacteria which got inserted in to the other is not known.

3. The answer is- The Excavate clade is the only Eukaryotic group where all clade members are unicellular.

14. The answer is- integrated and indivisible wholes that can reproduce and pass heritable variations on to their offspring.

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