How do mitochondria facilitate the movement of materials between cells

The body is protected against harmful flu viruses by

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry