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1. Explain and contrast what top-down and bottom-up effects of community structuring are. List some of the potential causes of each. Give an example of each effect using a peer-reviewed study. Give the citation by including the URL of the article.
2. Explain the Menge?Sutherland model of disturbance and predation on community species diversity. What ecological property does the model illustrate? Describe one example from a peer-reviewed study that either supports or refutes the model. Give the citation by including the URL of the article.
3. Explain what an ecosystem engineer is and its potential effects on community dynamics. Describe one example from a peer-reviewed study. Give the citation by including the URL of the article.
4. Explain why herbivory still negatively impacts a plant even when the plant is not killed. What are some of the possible mechanisms that plants use to avoid herbivory? Provide explanations for the mechanisms.
5. Explain and contrast the succession models proposed by Connell and Slatyer (1977). Describe one example from a peer-reviewed study demonstrating one of these models. Give the citation by including the URL of the article.
B1. Mathematically demonstrate the values of the zero population growth isoclines for both the prey and predator in a Lotka-Volterra model. Show your work.
If you want to make steric acid (18:0) how many malonyl ACP molecules and how many acetyl ACP molecules are needed?
Discuss the two types of bone (compact, cancellous). Include the organic and inorganic aspects of the osteon in your discussion.
Suggest an approach to counteract increased levels of UVR in ecosystems.
What will the results be for each plant if light only in the 650 nm range is supplied? 500 nm range? 450 nm range? Put in plain words.What colour is each plant? Give details.
What happened to the lyme disease vaccine? Why is the lab testing not definitive?
As a supervisor in the infection-control unit, you hire a local microbiologist to analyze samples from your hospital's hot-water tank for microbial.
The email message assignment is based on a scenario that establishes a writing situation. Please read the following scenario, then review the assignment requirements before beginning to write.
You are being protected in a secluded hotel from ACLU lawyers and right-wing demonstration groups. Here is your question: is intelligent design theory scientific
Stem cell therapies have been used and scrutinized for decades for treatment of various neurological conditions. Please discuss methods of collecting stem cells
Chloride moves fairly freely through the neuronal membrane, and yet the opening of chloride gates can cause inhibition? How can a chloride flux be inhibitory?
Ron D. is a 67-year-old man who has been referred by his primary care provider for management of sleep disorder. He has seen his PCP many times complaining
2-mutant, colorless strains of the (fictitious) haploid fungus Cyanomyces are crossed. The progeny consists of 50% wild-type and 50 percent mutant spores.
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