Where Did Viruses Come From? | Eons

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
pbs digital studios eons science viruses molecular fossils history of life ancient life origins of life geologic eras geologic periods geologic time geological history life on Earth geology natural history paleontology ancient life fossils fossil record evolution tree of life DNA RNA virology paleovirology genomics genetic mapping viral genome mutation evolution common ancestor
Subjects
Science
Grade Levels
Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

Where Did Viruses Come From? | Eons

There are fossils of viruses, of sorts, preserved in the DNA of the hosts that they’ve infected. Including you. This molecular fossil trail can help us understand where viruses came from, how they evolved and it can even help us tackle the biggest question of all: Are viruses alive?
Publisher
PBS Learning Media

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