...animals, plants, fungi, protists, & bacteria –...
...formerly grouped as protists. 13.1 Prokaryotic Diversity...
...unicellular like most protists are today, but...
...years ago. 13.3 Protists Eukaryotic organisms that...
...historically were called protists & were classified...
...the kingdom Protista. Protists include the single-celled...
...niches. Not all protists are microscopic &...
...demonstrated that some protists are more related...
...are to other protists. Protist lineages originally...
...a collective group, protists display an astounding...
...ecologies. Characteristics of Protists There are over...
...living species of protists, & it is...
...exist. Since many protists live in symbiotic...
...hosts. Nearly all protists exist in some...
...The cells of protists are among the...
...all cells. Most protists are microscopic &...
...exist. A few protists live in colonies...
...as multicellular organisms. Protists are composed of...
...of motion. Most protists are motile, but...
...different types of protists have evolved varied...
...of movement. Some protists have one or...
...anchor point. Some protists can move toward...
...light-sensing organ. How Protists Obtain Energy Protists...
...Protists Obtain Energy Protists exhibit many forms...
...or anaerobic. Photosynthetic protists (photoautotrophs) are characterized...
...of chloroplasts. Other protists are heterotrophs &...
...on conditions. Reproduction Protists reproduce by a...
...is common among protists, & many protist...
...strategy allows certain protists to “wait out”...
...metabolism. Protist Diversity Protists that exhibit similar...
...contain all the protists as well as...
...Human Pathogens Many protists are pathogenic parasites...
...survive & propagate. Protists parasites include the...
...million more. Beneficial Protists Protists play critically...
...more. Beneficial Protists Protists play critically important...
...webs as decomposers. Protists as Food Sources...
...as Food Sources Protists are essential sources...
...as in plankton, protists are consumed directly....
...consumed directly. Photosynthetic protists serve as producers...
...they eventually die. Protists themselves & their...
...As primary producers, protists feed a large...
...is conducted by protists, particularly dinoflagellates, diatoms,...
...& multicellular algae. Protists do not create...
...Decomposition Many fungus-like protists are saprobes, organisms...
...or algae. Saprobic protists have the essential...
...species, such as protists, fungi, & bacteria,...

...EUKARYOTIC DIVERSITY Introduction Protists are eukaryotes and...
...variety of modern protists, but also to...
...the evolution of protists. A. Introduction to...
...Introduction to the Protists Eukaryotic fossils date...
...the informal name “protists.” 1. Systematists have...
...Systematists have split protists into many kingdoms...
...formerly classified as protists. However, systematists have...
...systematists have split protists into many kingdoms....
...former kingdom of protists beyond repair. Protista...
...than to other protists. Systematists have split...
...eukaryotic kingdoms. 2. Protists are the most...
...of all eukaryotes Protists are so diverse...
...the 60,000 known protists are unicellular, but...
...multicellular. While unicellular protists would seem to...
...plants and animals. Protists are the most...
...all eukaryotes, Most protists are aerobic, with...
...cellular respiration. Some protists are photoautotrophs with...
...scattered throughout the protists. The same group...
...the adaptations of protists and the roles...
...in biological communities. Protists can be divided...
...categories: Protozoa—ingestive, animal-like protists Absorptive, fungus-like protists...
...protists Absorptive, fungus-like protists Algae—photosynthetic, plant-like protists....
...protists Algae—photosynthetic, plant-like protists. Most protists move...
...plant-like protists. Most protists move with flagella...
...highly varied among protists. Mitosis occurs in...
...in almost all protists, but there are...
...the process. Some protists are exclusively asexual...
...at least occasionally. Protists show the three...
...stage of most protists, with the zygote...
...diploid cell. Many protists form resistant cells...
...survive harsh conditions. Protists are found almost...
...In aquatic habitats, protists may be bottom-dwellers...
...sand and silt. Protists are also important...
...food chains. Many protists are symbionts that...
...parasitism. Some parasitic protists are important pathogens...
...of the best-known protists, such as the...
...diversity found among protists. C. A Sample...
...mitochondria A few protists, including the diplomonds...
...“archaezoa hypothesis,” these protists are derived from...
...hypothesis, that these protists lost their mitochondria...
...alveolates are unicellular protists with subsurface cavities...
...Alveolata combines flagellated protists (dinoflagellates), parasites (apicomplexans),...
...(apicomplexans), and ciliated protists (the ciliates). This...
...Like other freshwater protists, the hyperosmotic Paramecium...
...heterotrophic and photosynthetic protists. The name of...
...cup-shaped chloroplasts. Photosynthetic protists have evolved in...
...the diversity of protists with plastids. 9....
...A diversity of protists use pseudopodia for...
...Three groups of protists use pseudopodia, cellular...
...hunt bacteria, other protists, and detritus. Other...
...relationships to other protists and they themselves...
...and feed. Smaller protists and other microorganisms...
...nor animals, but protists. Any resemblance to...

...the role of protists in the origin...
...and animals, and protists C. Structural features...
...animals, fungi, and protists B. Endomembrane system...
...photosynthetic bacteria. 8.7 Protists are very diverse....
...• CORE IDEA: Protists display a wide...
...body forms. Common protists include protozoans, amoebas,...
...fungus kingdoms. 1. Protists appeared about 2.1...
...1. Protozoans are protists that obtain nutrients...
...bacteria and other protists; some absorb organic...
...Amoebas are single-celled protists with great flexibility...
...Slime molds are protists that resemble fungi...
...alga) are photosynthetic protists able to produce...
...eukaryotes from colonial protists was one of...
...times among ancient protists. B. The evolution...
...between independent unicellular protists and multicellular organisms....
...Colony i. Ancestral protists probably formed colonies....
...bacteria, fungi, and protists. 128 INSTRUCTOR’S GUIDE...
...Eukaryotic cell 8.7 Protists are very diverse....
...the host. 8.7 Protists are very diverse....
...Chapel Hill. 8.7 Protists are very diverse....
...descriptions of different protists. Ask students to...

... Chapter 28 Protists Lecture Outline Overview:...
...Living Small The protists are an informal...
...number of ultra-small protists, in the size...
...diameter. Although all protists were once classified...
...Various lineages of protists are recognized as...
...are single-celled organisms. Protists are eukaryotes with...
...complex cell organization. Protists exhibit more structural...
...of eukaryotes. Most protists are unicellular, although...
...cellular level, many protists are very complex....
...a multicellular organism. Protists carry out their...
...using subcellular organelles. Protists are the most...
...all eukaryotes. Some protists are photoautotrophs, containing...
...life cycles of protists vary greatly. Some...
...meiosis and syngamy. Protists can be divided...
...communities: photosynthetic algal protists, ingestive protozoans, and...
...protozoans, and absorptive protists. These groups are...
...vacuole. In other protists, plastids acquired by...
...evolutionary history of protists has recently been...
...was the “amitochondriate” protists, a group that...
...of the “amitochondriate” protists are shown to...
...once considered amitochondriate protists, are now classified...
...28.2 Excavates include protists with modified mitochondria...
...modified mitochondria and protists with unique flagella....
...anaerobic environments. These protists lack plastids and...
...diverse clade of protists. Some (but not...
...Alveolata includes flagellated protists (dinoflagellates), parasites (apicomplexans),...
...diverse group of protists, named for their...
...heterotrophic and photosynthetic protists. The name stramenopile...
...diverse group of protists, with an estimated...
...and most complex protists known. All brown...
...diverse group of protists defined by DNA...
...to refer to protists that move and...
...are mostly marine protists that have intricately...
...28.6 Unikonts include protists that are closely...
...fungi, and some protists. There are two...
...of eukaryotes, while protists that lack typical...
...consume bacteria and protists, while some feed...
...several groups of protists. The protists within...
...of protists. The protists within this taxon...
...animals. Concept 28.7 Protists play key roles...
...ecological relationships. Most protists are aquatic. They...
...leaf litter. Many protists attach to rocks,...
...the plankton. Many protists form symbiotic associations...
...populations of wood-digesting protists in their gut....
...gut. Other symbiotic protists include pathogenic parasites...
...coastal California. Many protists are important producers....
...producers are photosynthetic protists and prokaryotes. Up...
...algae, and other protists. Because producers form...
...abundance of photosynthetic protists may increase dramatically,...