| Title | Daphnia (1928) |
| File Name | daphnia_B23nq.avi |
| Size | 798 MB |
| Time | 02h 00 min |
| Grade | MPEG-1 1080p DVDrip |
| Published | 91 years 11 months 8 days ago |
Description
Titles in French and English help us know what we're seeing. In all waters, daphnia abound. They are crustaceans about 2 ml long, with one eye that turns in all directions. Antennae enable daphnia to move: in a close up magnified 150,000 times, we see the muscles of the antennae pulse. We see the eye, the nerve mass, blood globules, and the heart, beating several times per second. The intestine forms a long line. All are females; eggs develop above the intestine. New generations come rapidly. Inside each daphnia are tiny infusoria; we watch them clean the intestine of a dead daphnia. An enemy, the hydra, approaches. A daphnia dies, but many remain.
Daphnia (1928)
Genre: Documentary
Cast: Prof. Warren Conroy DVM, Margie Halvorson, Mr. Emerson Powlowski DDS, Bella Volkman, Felipe Walsh
Crew: Jean Painlevé
Release: 1928-12-31
Budget: $4,470,894
Revenue: $41,646,939
Forming Machine Operator: Frederic Gibson I
HR Manager: Alyson McClure PhD
Aircraft Body Repairer: Zachery O'Hara II
Sketch Artist: Keegan Baumbach
Cartoonist: Sanford Breitenberg
Aircraft Body Repairer: Mozelle Cronin
Chemical Equipment Tender: Russ Nader
Psychiatrist: Earnest Schmeler
Broadcast Technician: Effie Leuschke
Medical Records Technician: Ray Goodwin
Petroleum Engineer: Amir Luettgen DVM
Admin: Anissa Davis
Craft Artist: Sonny Thompson MD
Upholsterer: Kelsi Kuphal DVM
Upholsterer: Prof. Norma Daniel III
Cast: Prof. Warren Conroy DVM, Margie Halvorson, Mr. Emerson Powlowski DDS, Bella Volkman, Felipe Walsh
Crew: Jean Painlevé
Release: 1928-12-31
Budget: $4,470,894
Revenue: $41,646,939
Forming Machine Operator: Frederic Gibson I
HR Manager: Alyson McClure PhD
Aircraft Body Repairer: Zachery O'Hara II
Sketch Artist: Keegan Baumbach
Cartoonist: Sanford Breitenberg
Aircraft Body Repairer: Mozelle Cronin
Chemical Equipment Tender: Russ Nader
Psychiatrist: Earnest Schmeler
Broadcast Technician: Effie Leuschke
Medical Records Technician: Ray Goodwin
Petroleum Engineer: Amir Luettgen DVM
Admin: Anissa Davis
Craft Artist: Sonny Thompson MD
Upholsterer: Kelsi Kuphal DVM
Upholsterer: Prof. Norma Daniel III
Daphnia swimming behaviour as a biomarker in toxicity assessment: A review - PubMed.
Daphnia is a motile common model organism widely used in ecotoxicological testing. Although mortality and immobilisation are the main endpoints used for determination of toxicity, detection of subtle alterations induced by some chemicals particularly at lower levels may require more sensitive biomar ….
May 10, 2016 ... The waterflea Daphnia magna is an established ecological and toxicological model species, central to the food webs of freshwater lentic ....
This chapter provides an overview of the biology of waterfleas of the genus Daphnia. It describes basic aspects of individual physiology and nutrition, including some remarks about immunity. It summarizes the typical life cycle and development of Daphnia. The modes of reproduction and the induction of resting egg production in cyclic and obligate parthenogenetic forms are discussed. Finally, population biological aspects, such as behavioral ecology, habitat preferences, population genetics, and population dynamics, are introduced..
Daphnia - Wikipedia.
Jul 18, 2019 ... Daphnia normally reproduce by cyclical parthenogenesis, with offspring being determined by environmental cues. However, some females ....
Clone- and age-dependent toxicity of a glyphosate commercial formulation and its active ingredient in Daphnia magna - PubMed.
Daphnia magna transcriptome by RNA-Seq across 12 ....
Abstract. Theory predicts that a predator can promote coexistence among competing prey, and so enhance prey diversity (the keystone predation effect), by foster.
Low levels of glyphosate based herbicide induced significant negative effects on the aquatic invertebrate Daphnia magna. Glyphosate herbicides such as brands of Roundup, are known to be toxic to daphnids. However, published findings on acute toxicity show significant discrepancies and variation acro ….
Mar 14, 2019 ... Daphnia life cycle offers the opportunity to measure the relative contribution of plastic and genetic responses to environmental change across ....
Concerns are being raised that microplastic pollution can have detrimental effects on the feeding of aquatic invertebrates, including zooplankton. Both small plastic fragments (microplastics, MPs) produced by degradation of larger plastic waste (secondary MPs; SMPs) and microscopic plastic spheres used in cosmetic products and industry (primary MPs; PMPs) are ubiquitously present in the environment. However, despite the fact that most environmental MPs consist of weathered plastic debris with irregular shape and broad size distribution, experimental studies of organism responses to MP exposure have largely used uniformly sized spherical PMPs. Therefore, effects observed for PMPs in such experiments may not be representative for MP-effects in situ. Moreover, invertebrate filter-feeders are generally well adapted to the presence of refractory material in seston, which questions the potential of MPs at environmentally relevant concentrations to measurably affect digestion in these organisms. Here, we compared re.
Genetic control of male production in Daphnia pulex | PNAS.
The Effects of Natural and Anthropogenic Microparticles on Individual Fitness in Daphnia magna.
Following this introduction, Chapter 2 gives a general summary of Daphnia biology, highlighting at the same time those aspects that may be relevant for the study of parasitism. This summary is followed by Chapter 3, which introduces the reader to certain parasite species that are frequently mentioned in the book. This chapter is short, however, because the parasites will be dealt with in detail in the second book..
Introduction to Daphnia Biology.
Daphnia, a genus of small planktonic crustaceans, are 0.2–5 millimetres (0.01–0.20 in) in length. Daphnia are members of the order Cladocera, and are one of ....
Ecology, Epidemiology, and Evolution of Parasitism in Daphnia.
Transgenerational response to early spring warming in Daphnia ....
Daphnia as keystone predators: effects on phytoplankton diversity and grazing resistance
Daphnia is a motile common model organism widely used in ecotoxicological testing. Although mortality and immobilisation are the main endpoints used for determination of toxicity, detection of subtle alterations induced by some chemicals particularly at lower levels may require more sensitive biomar ….
May 10, 2016 ... The waterflea Daphnia magna is an established ecological and toxicological model species, central to the food webs of freshwater lentic ....
This chapter provides an overview of the biology of waterfleas of the genus Daphnia. It describes basic aspects of individual physiology and nutrition, including some remarks about immunity. It summarizes the typical life cycle and development of Daphnia. The modes of reproduction and the induction of resting egg production in cyclic and obligate parthenogenetic forms are discussed. Finally, population biological aspects, such as behavioral ecology, habitat preferences, population genetics, and population dynamics, are introduced..
Daphnia - Wikipedia.
Jul 18, 2019 ... Daphnia normally reproduce by cyclical parthenogenesis, with offspring being determined by environmental cues. However, some females ....
Clone- and age-dependent toxicity of a glyphosate commercial formulation and its active ingredient in Daphnia magna - PubMed.
Daphnia magna transcriptome by RNA-Seq across 12 ....
Abstract. Theory predicts that a predator can promote coexistence among competing prey, and so enhance prey diversity (the keystone predation effect), by foster.
Low levels of glyphosate based herbicide induced significant negative effects on the aquatic invertebrate Daphnia magna. Glyphosate herbicides such as brands of Roundup, are known to be toxic to daphnids. However, published findings on acute toxicity show significant discrepancies and variation acro ….
Mar 14, 2019 ... Daphnia life cycle offers the opportunity to measure the relative contribution of plastic and genetic responses to environmental change across ....
Concerns are being raised that microplastic pollution can have detrimental effects on the feeding of aquatic invertebrates, including zooplankton. Both small plastic fragments (microplastics, MPs) produced by degradation of larger plastic waste (secondary MPs; SMPs) and microscopic plastic spheres used in cosmetic products and industry (primary MPs; PMPs) are ubiquitously present in the environment. However, despite the fact that most environmental MPs consist of weathered plastic debris with irregular shape and broad size distribution, experimental studies of organism responses to MP exposure have largely used uniformly sized spherical PMPs. Therefore, effects observed for PMPs in such experiments may not be representative for MP-effects in situ. Moreover, invertebrate filter-feeders are generally well adapted to the presence of refractory material in seston, which questions the potential of MPs at environmentally relevant concentrations to measurably affect digestion in these organisms. Here, we compared re.
Genetic control of male production in Daphnia pulex | PNAS.
The Effects of Natural and Anthropogenic Microparticles on Individual Fitness in Daphnia magna.
Following this introduction, Chapter 2 gives a general summary of Daphnia biology, highlighting at the same time those aspects that may be relevant for the study of parasitism. This summary is followed by Chapter 3, which introduces the reader to certain parasite species that are frequently mentioned in the book. This chapter is short, however, because the parasites will be dealt with in detail in the second book..
Introduction to Daphnia Biology.
Daphnia, a genus of small planktonic crustaceans, are 0.2–5 millimetres (0.01–0.20 in) in length. Daphnia are members of the order Cladocera, and are one of ....
Ecology, Epidemiology, and Evolution of Parasitism in Daphnia.
Transgenerational response to early spring warming in Daphnia ....
Daphnia as keystone predators: effects on phytoplankton diversity and grazing resistance
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