What are Protozoans?
Protozoa are a diverse group of unicellular eukaryotic organisms, many of which are motile. Often categorized in the Protist kingdom
What are Cnidarians?
A phylum including the jellyfish, corals, etc. The phylum gets its name Cnidaria, from the Greek “cnidos,” meaning “stinging needle.”
What are Arthropods?
an invertebrate animal of the large phylum Arthropoda, such as an insect, spider, or crustacean
What are Annelids?
Invertebrates such as segmented worms, leeches, etc. (NOT SNAKES). They have a closed circulatory system