Answers. Best Answer: Poxviruses are the only viruses that do not need a cellâs nucleus to replicate inside the cell. The variola virus is the only known cause of smallpox.The virus initially replicates in respiratory tract epithelial cells.From there, a massive asymptomatic viremia ensues, resulting in focal infection of the skin, intestines, lungs, kidneys, and brain.nswers. Best Answer: Poxviruses are the only viruses that do not need a cellâs nucleus to replicate inside the cell. The variola virus is the only known cause of smallpox.
Chemotrophs are organisms that obtain energy by the oxidation of electron donors in their environments. These molecules can be organic or inorganic. The chemotroph designation is in contrast to phototrophs, which utilize solar energy. Chemotrophs can be either autotrophic or heterotrophic. Chemotrophs are commonly found in ocean floors where sunlight cannot reach them because they are not dependent on solar energy. Ocean floors often contain underwater volcanos that can provide heat to substitut
It is a multicellular or unicellular  organism. Organisms that are consumers or decomposers are  heterotrophs. A parasite is also a heterotroph. A parasite feeds  off other organisms for its food. An example of a parasite is a  deet tick. An example of a decomposing heterotroph is an earthworm.