Answer:
Viruses and Cells
Characteristic
Structure
Reproduction
Genetic Code
Growth and
Development
Obtain and Use Energy
Response to Environment
Change Over Time
Virus
DNA or RNA in capsid, some with envelope
Only within a host cell
DNA or RNA
No
No
No
Yes
Cell
Cell membrane, cytoplasm; eukaryotes also contain nucleus and many organelles
Independent cell division, either asexually or sexually
DNA
Yes; in multicellular organisms, cells increase in number and differentiate
Yes
Yes
Yes