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Questions and Answers
Which group of protists contains over 6,000 species with food storage in the form of oils and leucosin, and the presence of chlorophylls a and c and fucoxanthin?
Which group of protists contains over 6,000 species with food storage in the form of oils and leucosin, and the presence of chlorophylls a and c and fucoxanthin?
- Euglenoids
- Chlorophycophyta
- Chrysophycophyta (correct)
- Dinoflagellates
Which subgroup of Chrysophycophyta has hard cell walls of pectin, cellulose, or silicon oxide that accumulate on the ocean bottom to form diatomite?
Which subgroup of Chrysophycophyta has hard cell walls of pectin, cellulose, or silicon oxide that accumulate on the ocean bottom to form diatomite?
- Euglenoids
- Diatoms (correct)
- Dinoflagellates
- Desmids
Which group of algae synthesizes starch for food storage and comprises diverse forms such as Chlamydomonas, Pandorina, and Volvox?
Which group of algae synthesizes starch for food storage and comprises diverse forms such as Chlamydomonas, Pandorina, and Volvox?
- Chlorophycophyta (correct)
- Chrysophycophyta
- Phaeophycophyta
- Dinoflagellates
Which group of algae exists primarily in saltwater, has the same pigments as chrysophycophytes, and stores food as laminarin and mannitol?
Which group of algae exists primarily in saltwater, has the same pigments as chrysophycophytes, and stores food as laminarin and mannitol?
Which characteristic is unique to desmids among green algae?
Which characteristic is unique to desmids among green algae?
Which group of protists includes marine species with cellulose walls, bioluminescent properties, and two flagella?
Which group of protists includes marine species with cellulose walls, bioluminescent properties, and two flagella?
To which group does the majority of algae observed in ponds belong?
To which group does the majority of algae observed in ponds belong?
What is the most likely classification for unpigmented, moving microorganisms found in the pond water?
What is the most likely classification for unpigmented, moving microorganisms found in the pond water?
What is the probable classification for greenish or golden-brown organisms found in the pond water?
What is the probable classification for greenish or golden-brown organisms found in the pond water?
Which group of microorganisms is likely to appear blue-green in the pond water?
Which group of microorganisms is likely to appear blue-green in the pond water?
Where should one refer for assistance in identifying organisms not described in the short text of the exercise?
Where should one refer for assistance in identifying organisms not described in the short text of the exercise?
What is the prime concern in the exercise related to the study of pond water microorganisms?
What is the prime concern in the exercise related to the study of pond water microorganisms?
What determines the extent to which students will be held accountable for the names of various organisms encountered in the exercise?
What determines the extent to which students will be held accountable for the names of various organisms encountered in the exercise?
What is the purpose of the exercise related to the study of pond water microorganisms?
What is the purpose of the exercise related to the study of pond water microorganisms?
Which of the following pigments are unique to cyanobacteria and red algae?
Which of the following pigments are unique to cyanobacteria and red algae?
Where are the pigments of cyanobacteria located?
Where are the pigments of cyanobacteria located?
What is the cellular structure of cyanobacteria like?
What is the cellular structure of cyanobacteria like?
Which division in Domain Bacteria includes a large number of microorganisms that were at one time referred to as the blue-green algae?
Which division in Domain Bacteria includes a large number of microorganisms that were at one time referred to as the blue-green algae?
What type of bacteria utilize bacteriochlorophyll instead of chlorophyll a for photosynthesis?
What type of bacteria utilize bacteriochlorophyll instead of chlorophyll a for photosynthesis?
What is the main factor that differentiates cyanobacteria from green sulfur and green nonsulfur photosynthetic bacteria?
What is the main factor that differentiates cyanobacteria from green sulfur and green nonsulfur photosynthetic bacteria?
In which Domain are the prokaryotes classified according to the three-domain system of classification?
In which Domain are the prokaryotes classified according to the three-domain system of classification?
What is the function of phycobilisomes in cyanobacteria?
What is the function of phycobilisomes in cyanobacteria?
Where are the pigments of cyanobacteria located?
Where are the pigments of cyanobacteria located?
Which pigments are found in cyanobacteria?
Which pigments are found in cyanobacteria?
What is the classification of prokaryotes in the three-domain system?
What is the classification of prokaryotes in the three-domain system?
What distinguishes prokaryotes from protists?
What distinguishes prokaryotes from protists?
Where are cyanobacteria pigments located?
Where are cyanobacteria pigments located?
What pigments do Gymnodinium algae have?
What pigments do Gymnodinium algae have?
What is the primary pigment for photosynthesis in cyanobacteria?
What is the primary pigment for photosynthesis in cyanobacteria?
What causes red tides in marine environments?
What causes red tides in marine environments?
What is the primary function of phycobilisomes in cyanobacteria?
What is the primary function of phycobilisomes in cyanobacteria?
Where is the nuclear material located in cyanobacteria?
Where is the nuclear material located in cyanobacteria?
What is the procedure for making wet mount slides to study microorganisms in pond water?
What is the procedure for making wet mount slides to study microorganisms in pond water?
What distinguishes Subkingdom Protozoa from Subkingdom Algae?
What distinguishes Subkingdom Protozoa from Subkingdom Algae?
Which phylum within Subkingdom Protozoa includes protozoans with cilia for movement and food-getting?
Which phylum within Subkingdom Protozoa includes protozoans with cilia for movement and food-getting?
What distinguishes Phylum Apicomplexa within Subkingdom Protozoa?
What distinguishes Phylum Apicomplexa within Subkingdom Protozoa?
What is the main characteristic that distinguishes Subkingdom Algae from plants?
What is the main characteristic that distinguishes Subkingdom Algae from plants?
What is a characteristic feature of Phylum Sarcomastigophora within Subkingdom Protozoa?
What is a characteristic feature of Phylum Sarcomastigophora within Subkingdom Protozoa?
What distinguishes Subkingdom Protozoa from Subkingdom Algae in terms of cell structure?
What distinguishes Subkingdom Protozoa from Subkingdom Algae in terms of cell structure?
What type of organisms are likely to be unpigmented and moving?
What type of organisms are likely to be unpigmented and moving?
What color are organisms that are usually algae?
What color are organisms that are usually algae?
What color are organisms that are cyanobacteria?
What color are organisms that are cyanobacteria?
What is the prime concern in the exercise described in the text?
What is the prime concern in the exercise described in the text?
What is the purpose of the exercise described in the text?
What is the purpose of the exercise described in the text?
What will be available for assistance in identifying organisms not described in the short text of the exercise?
What will be available for assistance in identifying organisms not described in the short text of the exercise?
What will determine the extent to which students will be held accountable for the names of various organisms encountered?
What will determine the extent to which students will be held accountable for the names of various organisms encountered?
Which subkingdom includes animal-like protists in Protozoa and plant-like protists in Algae?
Which subkingdom includes animal-like protists in Protozoa and plant-like protists in Algae?
What covers the cells of Protozoa?
What covers the cells of Protozoa?
Which phylum includes structurally complex protozoans with cilia for movement and food-getting?
Which phylum includes structurally complex protozoans with cilia for movement and food-getting?
What do Protozoa produce that are resistant dormant stages?
What do Protozoa produce that are resistant dormant stages?
Which phylum includes Sarcodina (Amoebae) and Mastigophora (Zooflagellates)?
Which phylum includes Sarcodina (Amoebae) and Mastigophora (Zooflagellates)?
What does Subkingdom Algae lack, differing from plants?
What does Subkingdom Algae lack, differing from plants?
What is the main characteristic of Phylum Apicomplexa?
What is the main characteristic of Phylum Apicomplexa?
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Study Notes
Studying Microorganisms in Pond Water: Making Wet Mount Slides and Identifying Protists and Algae
- Wet mount slides are necessary to study microorganisms in pond water
- Procedure for making wet mount slides is simple: place a drop of suspended organisms on a microscope slide, cover it with a cover glass, and record the bottle number if using different cultures
- Guidelines include using clean materials, using pipettes to get maximum organisms, and exploring slides with low-power objective first
- Protists are single-celled eukaryons lacking tissue specialization and are grouped in Kingdom Protista
- Subkingdom Protozoa includes animal-like protists in Protozoa and plant-like in Algae
- Protozoa cells are covered with a cell membrane, lack cell walls, and have distinct nuclei with nuclear membranes
- Protozoa produce resistant dormant stages called cysts and reproduce asexually and sexually
- Subkingdom Protozoa is divided into three phyla: Sarcomastigophora, Ciliophora, and Apicomplexa
- Phylum Sarcomastigophora includes Sarcodina (Amoebae) and Mastigophora (Zooflagellates)
- Phylum Ciliophora includes structurally complex protozoans with cilia for movement and food-getting
- Phylum Apicomplexa includes internal parasites lacking locomotor organelles and having spore-forming stages
- Subkingdom Algae includes all photosynthetic eukaryotic organisms in Kingdom Protista, differing from plants in lacking tissue differentiation
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