BIOL 1202 Lecture Notes - Lecture 25: Archaeplastida, Miscarriage, Entamoeba
Document Summary
This chapter discusses the characteristics of the diverse, polyphyletic group of organisms commonly known as the protists, which includes the algae and the protozoans. They range from single cells to multicellular organisms over. They are found in oceans and freshwater environments and are the major producers of oxygen and organic material. In addition to a discussion of their general features and the vast array of their niches and habitats, individual coverage of some representative protists is given. Chapter outline: overview of protists, protists are a polyphyletic collection of organisms. Many protists are capable of encystment formation of a simpler and metabolically dormant cyst. Flagellated, but without a distinct cytostome; use phagocytosis for feeding; most are endosymbionts of animals. Trichonymphida: obligate mutualist in the digestive tract of wood-eating insects (termites, usually asexual but sometimes reproduce sexually in response to host hormone called. Symbionts of digestive, reproductive, and respiratory tracts of vertebrates.
