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Life Sciences Commons

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Theses/Dissertations

2004

Dissertations

Western Michigan University

Articles 1 - 2 of 2

Full-Text Articles in Life Sciences

The Effects Of Elevated Co2 And Environmental Variation On Plant Phenotype, Herbivore Performance, And Evolutionary Potential In A Brassicacae Model System, John Michael Landosky Aug 2004

The Effects Of Elevated Co2 And Environmental Variation On Plant Phenotype, Herbivore Performance, And Evolutionary Potential In A Brassicacae Model System, John Michael Landosky

Dissertations

No abstract provided.


Health Impacts Of Polychlorinated Biphenyls (Pcbs) In Aquatic Organisms, Marla Ann Fisher Apr 2004

Health Impacts Of Polychlorinated Biphenyls (Pcbs) In Aquatic Organisms, Marla Ann Fisher

Dissertations

Polychlorinated biphenyls (PCBs) are a major contaminant of global extent in water resources and aquatic biota. Due to its high lipid solubility, PCBs fail to be degraded and, therefore, continue to bioaccumulate throughout the environment and food chain. To determine the impact of PCBs on the immune system ofaged and juvenile Japanese medaka (Oryzias latipes), fish were injected with the coplanar PCB congener 126 and examined after 3 and 14 days. PCB 126 produced oxidative stress in both age groups of fish 14 days post-injection; however, juvenile medaka appeared more susceptible than aged fish. Humoral immunity, as determined by antibody …