The major organ that you would find in the lymphatic system would be the spleen.
Adaptions are basically add-ons and/or updates while variations are like different types.
This plant is probably most closely related to:
Ferns
Earth's Interior Along with it's Composition and State of Matter
Correct answer: C). Coded in either DNA or RNA.
The instructions for making the new copies of the virus are coded either by the RNA or the DNA. The genetic material of the viruses are either the DNA or the RNA and they are known to contain the instructions for making the new viral copies. Before the viral replication, the virus gets into the cell. The viral copies of the virus are known to infect the host.
Hence, the correct answer would be option C.