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).
Protozoa, fungi and algae are eukaryotes, that is, their DNA is packed into a nucleus. Protozoa are unicelled and paraphyletic. Fungi are a kingdom on their own, can be unicelled or multicelled, they're always heterotrophic organisms, unlike most algae, but can be symbionts, parasits or saprobes.rotozoa, fungi and algae are eukaryotes, that is, their DNA is packed into a nucleus. Protozoa are unicelled and paraphyletic. Fungi are a kingdom on their own, can be unicelled or multicelled, they're always heterotrophic organisms, unlike most algae, but can be symbionts, parasits or saprobes.