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Warm Up:

Across
Disease caused by rat fleas
Disease caused by contaminated drinking water
"Junk Drawer"
Fixes atmospheric nitrogen into ammonium
1n
Small circular pieces of DNA in prokaryotes
Fixes ammonium into atmospheric nitrogen
Simple form of mitotic cell division
Down
Organisms lives in a mutually beneficial relationship with another organism
Enhancing the process of using organisms to clean up pollution
Virus that only affects bacterium
Infectious particles of proteins
Exchange of genetic material without reproducing
Non-living parasite
2n
Caused by the HIV virus