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LenaWriter [7]
3 years ago
7

Many diseases are caused by viruses or bacteria, which may be considered introduced species under certain circumstances (althoug

h viruses are not truly living organisms and need another organism as a host). Describe the following exotic diseases and explain their origins.
1.Smallpox
2.Chestnut blight



I don't need you to do it for me I just need help.
Biology
1 answer:
Elodia [21]3 years ago
7 0
Smallpox- began Africa, spread through trade and human interaction.
Chestnut blight-isn't this a chestnut found in America?
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