the science calorie (little c) is a measure of heat energy the food calorie (big C) is a measure of energy that we burn, but it is equal to 1,000 science calories so 1 big C is equal to 1,000 little c's.
Protists are a group made up of protozoa, unicellular algae, and slime molds. We will concentrate on the animal portion of this group: the protozoa (proto = first, zoa = animals).
Unicellular organisms are of two types Unicellular prokaryotic organisms and unicellular eukaryotic organisms. Unicellular prokaryotic organisms-they are unicellular in nature and they do not have membrane bound nucleus and membrane bound cellular organelles.These organisms are usually bacteria and cyanobacteria. Example: E.coli, Salmonella, Nostoc, etc.nicellular organisms are of two types Unicellular prokaryotic organisms and unicellular eukaryotic organisms. Unicellular prokaryotic organisms-they are unicellular in nature and they do not have membrane bound nucleus and membrane bound cellular organelles.