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Topic: Ecosystem Connections
What can happen when you remove or add fish or nutrients to an ecosystem? Search in your textbook or on the internet for examples of case studies where this has happened and describe the ecological effects of such an addition or subtraction in one or more case studies. Be sure to let us know where you got the information, and try to focus your attention on aquatic ecosystems involving fishes. Useful search terms might be invasive species, introduced species, overfishing, extinction, extirpation, eutrophication, runoff, alternative stable states, and trophic cascades. Once we've accumulated some good examples, try to answer the following questions. Is it easy or hard to predict what will happen when we perturb an ecosystem? Why or why not?
Describe the major land biome where you live in some detail. How have human activities changed the landscape, and how has this affected native species? Include specific examples.
Discuss An Everyday Application of the Scientific Method Science is a systematic method of learning about the universe that relies on logic and revolves around the notion of cause and effect. There is a great deal of variation in the specific tech..
Joe is suffering from a spasm in his left main coronary artery impairing blood flow to the heart. This can cause considerable pain, but what concerns us here is that delivery of oxygen to most of the heart is impaired by limiting myosin ATPase functi..
Suppose you are interested in studying dogs as a system for obesity. You crossed a Cocker Spaniel to a Labrador Retriever and interbred the offspring for many generations.
Suggest two ways Rap1p might function so that it is necessary for transcription of Rap1pdependent genes. Please use diagrams to show how it might work.
Cromosome i from your mother and chromosome i from your father are and allel that is suppressed or hidden by the presence of another allele.
Summarize the main point/s or key conclusion/s presented in the article:
Assume you are given a primer with a concentration of 1.4 mg/ml, RNA concentration of 0.8 mg/ml, 1M MgCl2, 10mM dNTP mix, 10x buffer, 10 units/ul of reverse transcriptase.
One way methane is produced is via reduction of carbon dioxide, which serves as electron acceptor, with molecular hydrogen, which serves as electron donor.
Erin C. is a 27-year-old professional woman who describes a recent bout of "the 24-hour flu" she experienced after eating out with friends over the weekend. She reports feeling an upset stomach at work on Monday with an increase in symptoms that d..
Elucidate where they came from with an easy diagram. The 10 with normal wings also have mutant green eyes and mutant hairy legs.
Some microbiologists recommend incubating this medium at 37 degrees, along with an uninoculated control,and then transfering all tubes to the refrigerator prior to reading them.why might this be preferred technique in some situations? What potenti..
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