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The category of microscopic eukaryotes that includes photosynthetic organisms is the 

The category of algae that has a glass shell called a frustule, are the 

The best term for the anchoring device of the tapeworm is called the 

The bacteria that causes Lyme disease is

The bacteria that inhabits human mucous membranes but lacks a cell wall is 

A genus of bacteria that inhabits mucous membranes and is associated with ulcer formation is 

Clostridium has pathogenic representatives that include the cause of gas gangrene which is 

The original earth’s atmosphere is believed to have been full of oxygen.

Gram positive cocci that can inhabit the dry salty skin includes

Most of the anaerobic chemolithotrophs are in the domain Archeae.