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  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Cells-Morphology. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (304 pages)
    Edition: 1st ed.
    ISBN: 9783642728631
    Language: English
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  • 2
    Online Resource
    Online Resource
    New York, NY :Springer,
    Keywords: Zoology-Research. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (374 pages)
    Edition: 1st ed.
    ISBN: 9781461235446
    Language: English
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  • 3
    Online Resource
    Online Resource
    Arlington, VA :National Science Teachers Association,
    Keywords: Protozoa -- Study and teaching. ; Protozoology -- Study and teaching. ; Electronic books.
    Description / Table of Contents: Use protozoa to model macroscopic ecological and biological processessuch as symbiosis, succession, and feeding strategieswith these 28 hands-on investigations.
    Type of Medium: Online Resource
    Pages: 1 online resource (237 pages)
    Edition: 1st ed.
    ISBN: 9781933531496
    DDC: 579.4;593.1 19
    Language: English
    Note: Intro -- TABLE OF CONTENTS -- Acknowledgments -- Introduction -- How to Use this Book -- Explore the World Using Protozoa and the National Science Education Standards -- Section 1 -- Protozoology Lab Skills -- INVESTIGATION 1.1 -- Observing and Comparing Microorganisms -- Procedure -- Discussion and Inquiry -- MICRO-MACRO CORP. LTD. -- Protist Diversity Data Report -- Student Home Quiz -- TEACHER SECTION -- Observing and Comparing Microorganisms -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 1.2 -- Determining Abundance and Diversity -- Procedure for Protozoa -- Procedure for Amoebae -- Discussion and Inquiry -- TEACHER SECTION -- Determining Abundance and Diversity -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 1.3 -- Testing for Chemical Susceptibility -- Procedure -- Discussion and Inquiry -- Student Data Sheet -- TEACHER SECTION -- Testing for Chemical Susceptibility -- Adaptations and Variations -- Assessment and Evaluation -- About the Authors -- Resources -- Section 2 -- Comparative Physiology -- INVESTIGATION 2.1 -- Morphology and Natural Habitats -- Procedure -- Discussion and Inquiry -- Protozoa Identification Sheet -- TEACHER SECTION -- Morphology and Natural Habitats -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 2.2 -- How Ciliates Move -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- How Ciliates Move -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 2.3 -- How Flagellates Move -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- How Flagellates Move -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 2.4. , How Amoebae Move -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- How Amoebae Move -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 2.5 -- Avoiding Predation -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Avoiding Predation -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 2.6 -- How Protozoa Eat -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- How Protozoa Eat -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 2.7 -- How Paramecia Eat -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- How Paramecia Eat -- Adaptations and Variations -- Assessment and Evaluation -- About the Authors -- Resources -- INVESTIGATION 2.8 -- How Ionic Stimuli Cause Cellular Movement -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- How Ionic Stimuli Cause Cellular Movement -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- Section 3 -- Interacting with Other Organisms -- INVESTIGATION 3.1 -- Symbiosis: The Termite as an Ecological Community -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Symbiosis: The Termite as an Ecological Community -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 3.2 -- Parasites -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Parasites -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 3.3 -- Competitive Exclusion and Environmental Adaptation -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Competitive Exclusion and Environmental Adaptation -- Adaptations and Variations -- Assessment and Evaluation -- About the Author. , Resources -- INVESTIGATION 3.4 -- Predators of Protozoa -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Predators of Protozoa -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- Section 4 -- Comparative Ecology -- INVESTIGATION 4.1 -- Species Colonization -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Species Colonization -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 4.2 -- Ecological Succession -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Ecological Succession -- Variations and Adaptations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 4.3 -- Nutrient Quality and Population Distribution -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Nutrient Quality and Population Distribution -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 4.4 -- Net Respiration and the Carbon Cycle -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Net Respiration and the Carbon Cycle -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 4.5 -- Predator-Prey Interactions -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Predator-Prey Interactions -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 4.6 -- Responding to Gradients -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Responding to Gradients -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 4.7 -- Ecological Effects of Contaminants -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Ecological Effects of Contaminants -- Adaptations and Variations. , Assessment and Evaluation -- About the Author -- Resources -- Section 5 -- Adaptive Strategies -- INVESTIGATION 5.1 -- Reproductive Strategies -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Reproductive Strategies -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 5.2 -- Environmental Challenges -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Environmental Challenges -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 5.3 -- Giantism among Ciliates -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Giantism Among Ciliates -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 5.4 -- Feeding Strategies -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Feeding Strategies -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 5.5 -- Life Stages and Responses to Stimuli -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Life Stages and Responses to Stimuli -- Adaptations and Variations -- Assessment and Evaluation -- About the Author -- Resources -- INVESTIGATION 5.6 -- Chemosensory and Behavioral Adaptation -- Procedure -- Discussion and Inquiry -- TEACHER SECTION -- Chemosensory and Behavioral Adaptation -- Adaptations and Variation -- Assessment and Evaluation -- About the Author -- Resources -- APPENDIX I -- Microscope Skills -- Day One: Setting up the microscope -- Procedure -- Day Two: Working with slides and stains -- Procedure -- Day Three: Measuring protist size -- Procedure -- For further study -- Homework -- APPENDIX II -- How to Make a Classroom Aquarium -- Culturing amoebae -- APPENDIX III -- Collecting Protozoa -- Where to find protozoa. , Field trips to collect protozoa -- Using PF Blocks -- APPENDIX IV -- Making Labware -- Micropipets -- Teaching Notes -- Create a "hockey stick" spreader -- APPENDIX V -- Student Evaluation of Investigations -- APPENDIX VI -- Resources -- BOOKS -- MAGAZINES -- RESOURCES -- MULTIMEDIA: MOVIES, COMPUTER SOFTWARE, AND CD-ROMS -- SLIDES -- MICROSCOPE SLIDES -- PROTOZOA SLOWING AGENTS -- LIVE PROTISTS -- MODELS -- SUPPLIER ADDRESSES.
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  • 4
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    Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu
    Publication Date: 2022-05-26
    Description: Dataset: RV Atlantic Explorer BATS BV50: CO2 and PO4
    Description: Bulk and cell-specific CO2 fixation and PO4 uptake from Atlantic Explorer cruise AE1524 (BATS validation cruise BV50), September 2015. Phosphate uptake rates were measured in Prochlorococcus, Synechococcus, pigmented eukaryotes, and unpigmented eukaryotes. Also reported are CO2 fixation rate by Prochlorococcus, Synechococcus, and pigmented eukaryotes. For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/771701
    Description: NSF Division of Ocean Sciences (NSF OCE) OCE-1458070
    Repository Name: Woods Hole Open Access Server
    Type: Dataset
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  • 5
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. This revision of the classification of unicellular eukaryotes updates that of Levine et al. (1980) for the protozoa and expands it to include other protists. Whereas the previous revision was primarily to incorporate the results of ultrastructural studies, this revision incorporates results from both ultrastructural research since 1980 and molecular phylogenetic studies. We propose a scheme that is based on nameless ranked systematics. The vocabulary of the taxonomy is updated, particularly to clarify the naming of groups that have been repositioned. We recognize six clusters of eukaryotes that may represent the basic groupings similar to traditional “kingdoms.” The multicellular lineages emerged from within monophyletic protist lineages: animals and fungi from Opisthokonta, plants from Archaeplastida, and brown algae from Stramenopiles.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 48 (2001), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: . A new species of naked amoeba, Platyamoeba pseudovannellida n.sp., is described on the basis of light microscopic and fine structural features. The amoeba was isolated from the Salton Sea, California, from water at a salinity of ca. 44‰. Locomotive amoebae occasionally had a spatulate outline and floating cells had radiating pseudopodia, sometimes with pointed tips. Both these features are reminiscent of the genus Vannella. However, the surface coat (glycocalyx) as revealed by TEM indicates that this is a species of Platyamoeba. Although salinity was not used as a diagnostic feature, this species was found to have remarkable tolerance to fluctuating salinity levels, even when changes were rapid. Amoebae survived over the range 0‰ to 150%c salt and grew within the range 0%c to 138%c salt. The generation time of cells averaged 29 h and was not markedly affected by salt concentration. This is longer than expected for an amoeba of this size and suggests a high energetic cost of coping with salinity changes. The morphology of cells changed with increasing salinity: at 0‰ cells were flattened and active and at the other extreme (138‰) amoebae were wrinkled and domed and cell movement was very slow. At the ultrastructural level, the cytoplasm of cells grown at high salinity (98‰) was considerably denser than that of cells reared at 0‰.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 45 (1998), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We compared 16S-like ribosomal RNA (rRNA) coding regions of samples of the solitary spumellarian radiolarian Thalassicolla nucleata collected from the Sargasso Sea and the Pacific Ocean. Sequences derived from these locations showed variability in both length and base-pair composition. This level of sequence variability is similar to the degree of variability reported in the literature for species- or even genus-level distinctions. Explanations for our results include multiple alleles for the rRNA gene, or the existence of multiple species of Thalassicolla that are morphologically indistinguishable. The seven existing descriptions of Thalassicolla species, including T. nucleata, are discussed in view of these molecular findings and with reference to our current understanding of the physiology and life cycle of the spumellarian radiolaria.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 44 (1997), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: . Abundance and diversity of gymnamoebae were assessed at monthly intervals for one year in the sediment surface layer of a shallow, highly productive, freshwater pond located in northeastern United States using laboratory culture enumeration techniques. The range in total abundance was 81/ml in January to 1,568/ml in June (spring peak) and 1,813/ml in October (autumn peak). The latter is equivalent to over 1.8 million per liter, one of the highest values reported for gymnamoebae from a freshwater pond. Maximum diversity (H = 3.3) occurred in April, July, and August. The growth potential of the gymnamoebae was determined in laboratory cultures (20° C) containing only the pond water (control culture) and pond water emended with malt-yeast extract and glucose (nutrient culture) using pond water collected in December. The total abundance of gymanmoebae increased from 363/ml in the initial pond water sample to approximately 1,800/ml in each of the culture conditions in the first week. Therafter, abundances reached 5,678/ml (control culture) and 8,016/ml (nutrient culture) by the third week indicating the vigorous growth potential from winter standing stock.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Inc
    The @journal of eukaryotic microbiology 52 (2005), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. The distribution and abundance of microbiota in soil and litter may be significantly affected by the quality and quantity of localized patches of leaf organic matter. This study examined the relative effects of aqueous extracts of shed autumn leaves from American beech (Fagus grandifolia), sugar maple (Acer saccharum), red oak (Quercus rubra), and white oak (Quercus alba) on the density and diversity of gymnamoebae in laboratory cultures. Overall, the beech leaf extract produced the most growth of gymnamoebae followed by white oak with leaf extracts from maple and red oak producing least growth. Cultures using natural leaf litter from beneath beech trees had higher densities and diversity of gymnamoebae than leaf-litter cultures from a maple–oak stand. Soil microcosms confirmed that beech leaf extracts produced a higher density of gymnamoeba growth when added to soil cultures compared with maple and oak leaf extracts. Protein content, CHN (carbon and nitrogen content), and pH of the leaf extracts were assayed, but these alone were not sufficiently different to account for the effects. A dilution experiment indicated that some other concentration-dependent factor in the extract may produce the effects.
    Type of Medium: Electronic Resource
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