4 words in this vocabulary list
noun a scientist who specializes in the study of life in the universe
noun a community of microorganisms that inhabit a particular environment, such as the body or soil
noun a type of marine protozoan characterized by a spiny skeleton made of strontium sulfate
noun a member of the Actinopoda class of protozoans
adjective relating to or resembling the Actinopoda, a class of protozoans characterized by radiating pseudopodia