In what ways do decomposers get energy from a cow

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?