Why would scientists study fish populations to gauge the effectiveness of the chemical dosers? How does the health/abundance of the fish populations indicate the health of the waterways?
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Why would scientists study fish populations to gauge the effectiveness of the chemical dosers? How does the health/abundance of the fish populations indicate the health of the waterways?
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- I would like to know some examples of chemicals used by snakes like python or any other organism to defend or nurture themselves. I would also to read more about these chemicals; journals or texts references that provide information about these chemicals and organisms would be appreciated.How do the steps of risk assessment differ in human health versus ecological risk assessment?Read the RE-ACT Podcast on - Disparities in Access to Public Water and Sewer Service in North Carolina and explain how awareness about disparities influenced policy formation in this case study. https://www.publichealthsystems.org/re-act-podcast-april-2014
- How can effective EHR use contribute to improved population health management?The following table shows the number and species of target organisms and by-catch caught by thetwo types of pot.Which pot type is more efficient in catching the target organism? Is there a significant interactionbetween the type of organisms and pot.Why are the four main topics of ecological risk analysis important to risk assessment?
- "LD50" refers to the median "lethal dose," which is the concentration at which 50% of the population would die. Toxicologists also use dose-response curves to determine the median "toxic dose," or TD50. This is the dose required to cause a specific response or symptom (such as loss of hearing or headaches) for 50% the population. 100- 50 0 Linear dose-response curve. Low (a) Linear dose-response curve Dose LD 50 Copyright 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings → High 12. Approximately what is the threshold dose for the toxicant shown in the graph to the right? Adanted from 1 Nauran 13. What is the LD50 for the toxicant shown in the graph to the right? 100- 50- 0 Low (weaver) asoodsad Linear dose-response curve. Dose (b) Dose-response curve with threshold As shown in the graphs above, if the response begins at any dose and increases continuously as dosage increases, then it is referred to as a non-threshold response curve. However, if the response does not…What are the advantages of using the gun in the ecosystem? Try to explain by mercy killing animals aspectWhat theory from health promotion interventions is good to use for a community involment project?
- In this experiment, what is(are) the dependent factor(s)? the addition of trout O the addition of parasites the addition of trout and the addition of parasites O frog densityEcological risk assessment for lead and naphthalene based on the EPA standard.Use sentinel species birds, fish, and amphibians to define the evaluation endpoints and attributes that will be measured.Create a conceptual model diagram for each organism and chemical of interest. A paragraph on sentinel species and exposure characterisation. A paragraph on environmental effects. A paragraph or two on risk assessment, as well as a comment on the data's strength.Risk assessments have typically been done in the following contexts. CHOOSE ALL THAT APPLY: OA. ways that government regulation prevent risks from occurring B. how chemical exposure affects human health O c. how general ecological factors create health risk OD. chemical spills into the water or air (like Elk River) O E. what living next to a waste dump means for neighborhood health OF. ways that environmental risks are born disproportionately by the poor G.how contaminated sites affect human health H. alternatives to industries that create hazardous waste