Problems with Acid Rain
I need help developing two alternative hypotheses and ecology-based experiments on the problem with acid rain.
Tuesday, 1 July 2014
Examination of Surtsey Succession
An Examination of Surtsey Succession
In 1963 a fiery volcanic eruption underwater just off the Iceland coast pushed the island of Surtsey above the waves. At first, it was a black cinder cone, barren of life. Surtsey grew to about a square mile in area. Ecologists seized on the chance to see how life would go about colonizing Surtsey. Within forty years, hundreds of species were living on Surtsey. Surtsey was the first really well-studied process of succession, which of course is still taking place.
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How does water protects the organisms beneath its surface
How does water protects the organisms beneath its surface
Discuss what properties of water protect organisms that live underwater.
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Human population ecology
Human population ecology
Considering what you know from reading the information in Chapter 13, is our population a concern? If so, how? Make sure you support your answer. You may include examples of areas of the U.S. that are overpopulated, underpopulated, etc.
The name of the book and website:
Belk, C., & Maier, V. (2010). Biology: Science for life with physiology (3rd ed.). Upper Saddle River, NJ: Prentice Hall. Publisher's Companion Website: http://www.mybiology.com
Belk, C., & Maier, V. (2010). Biology: Science for life with physiology (3rd ed.). Upper Saddle River, NJ: Prentice Hall. Publisher's Companion Website: http://www.mybiology.com
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Description of Biodiversity
Description of Biodiversity
We often hear about various controversial issues that involve humans and other organisms. Sometimes development is halted in order to preserve habitats of organisms like the Spotted Owl, the Sea Turtle, the Alabama Beach Mouse, etc. Should we be concerned with the survival of other species such as those stated? Should we only be concerned about our own survival and what benefits us as humans?
Disappearance of the Sun
The Disappearance of the Sun
It has been hypothesized that if the sun disappeared all life would end. Other than the obvious drop in temperature, why would humans probably die if the sun suddenly stopped shining? Justify your response with specific details.
Water quality testing parameters
Water quality testing parameters
1. Explain what is meant by indicator organisms when testing a water sample.
2. What are the media to determine the presence of the indicator organisms?
3. What are the morphological and biochemical characteristics of theses indicator organisms?
4. Discuss the three major species of Staphlococcus. Explain why one of them is more pathogenic compared to the other two species. Which factor determines the pathogeneisis of the organism?
Bioremediation
Bioremediation
How does bioremediation restore stability or clean up toxic pollutants?
How does bioremediation control levels of pollution?
How does bioremediation control levels of pollution?
Species study experiment
Species study experiment
You are conducting fieldwork at your Week 5 topic site and discover two groups of organisms (i.e. fish, tree, mammals, etc. - pick a specific organism to examine) living on opposite sides of a natural divider in your week 5 topic site (mountain/lake/etc. - pick a natural divider). How would you design a study/experiment to determine whether these two groups belong to the samespecies without disturbing the organisms? Explain.
Helpful thoughts: What is the definition of a species? How does this help you to know what to look for? What are some things that indicate that organisms belong to different species? How might natural selection led to changes in the organisms? What makes a good experiment?
Factors that affect decisions about whether human intervention is needed to help ecosystem recovery.
Factors that affect decisions about whether human intervention is needed to help ecosystem recovery.
Ecosystems change and may recover naturally from disturbance over time, what factors affect decisions about whether human intervention is needed to help ecosystem recovery? Provide examples.
Energy and Living Organisms
Biology concept map
Biology concept map
Draw a concept map using all of the following words in the list below.
Primary terms/concepts:
Aerobes
Anaerobes
Autotrophs
Binary fission
Biofilm
Chemoorganoheterotrophs
Chemotrophs
Colony
Death phase
Exponential phase
Extremophiles
Generation time
Growth curve
Heterotrophs
Lag phase
Log phase
Mesophiles
Phototrophs
Reactive oxygen species
Stationary phase
Aerobes
Anaerobes
Autotrophs
Binary fission
Biofilm
Chemoorganoheterotrophs
Chemotrophs
Colony
Death phase
Exponential phase
Extremophiles
Generation time
Growth curve
Heterotrophs
Lag phase
Log phase
Mesophiles
Phototrophs
Reactive oxygen species
Stationary phase
Secondary terms/concepts:
Agar
Asceptic technique
Differential medium
Psychrophile
Pure culture
Selective media
Streak-plate method
Thermophile
Agar
Asceptic technique
Differential medium
Psychrophile
Pure culture
Selective media
Streak-plate method
Thermophile
No Plants; No People
Concepts in Ecology
Discussing Concepts in Ecology
Hi, I need assistance understanding the following questions:
Q1 - Choose one organism from the food web that fits into more than one trophic level and explain why and how this occurs.
Q2- The introduction of non native species to Florida, such as the Melaleuca tree and the Australian Pine, create a disruption of the natural environment. What happens when a new species is introduced? How is it controlled? Give an example of an introduced species to Florida.
Note: http://www.myfwc.com This is an excellent site for assistance and information.
Note: http://www.myfwc.com This is an excellent site for assistance and information.
Hydrologic Cycle and Water Use
The Hydrologic Cycle and Water Use
Examine the hydrologic cycle and various methods of water use and management. What changes might occur in the hydrologic cycle if our climate were to warm up or cool down significantly?
Ecological Succession
Ecological Succession
Question: Define succession and differentiate between primary and secondary succession. Consider an area in which a natural community such as a forest, stream, prairie, etc. (not a town or city), has been disrupted in your part of the world, and discuss the successional changes it has gone through or will go through to get back to the climax condition for your area. Do you think it will reach a climax? Why or why not? If you are new to your area you may want to consider the secondary succession of an area you observed growing up such as a burned forest, clear-cut forest, or agricultural land that has been unused for years, etc.
Biological Diversity
Biological Diversity
Give three examples of biological diversity in animal species that you see in the community around you and explain.
Biological Diversity
Biological Diversity
Give three examples of biological diversity in animal species that you see in the community around you and explain.
Percent Dry Matter
Percent Dry Matter
What is the percent dry matter of each of the following: Corn, Barley, Alfalfa, Wheat, Soybean, Canola
Thank you very much! Your assistance is truly appreciated.
Wolf Populations
Yellowstone National Park: Wolf Populations
What happened in Yellowstone National Park when wolves were eliminated, and what happened when they were reintroduced? Discuss how wolves were eliminated, what happened after they were eliminated (such as with the elk populations), and what happened when wolves were reintroduced?
Human and Animal Interface
Consequences of Human and Animal Interface
Some opponents of endangered species efforts have argued that endangered species recovery is too expensive, stands in the way of individual property rights, and produces little to no results in the recovery of endangered species. Do you agree or disagree with this position? How important is biodiversity from a biological perspective? How important is biodiversity to you personally? Are you willing to give up economic gains for the benefit of biodiversity?
Mass Extinction and the Accumulation of Oxygen
Ciguatoxin
Ciguatoxin
Summarize how ciguatoxin can enter and proceed up the food chain to the consumer. Be specific.
The steps of how ciguatoxin can enter the food chain to the human consumer begin with the microscopic groups of protists called the dinoflagellates. (1) They are unicellular organisms that have flagella for movement. (1) They are photosynthetic and symbiotic with marine animals. (1) The dinoflagellates are the species that usually carry the ciguatera toxin.(1) In fact, the most common dinoflagellates that carried the ciguatera toxin is "Gambierdiscuss toxicus". (1) They typically grow on the surface of green algae and the surface of coral reefs. (1)
Ecology
Ecology
Consider the meaning of the term "ecology." How do the ideas of energy and chemical cycles, community structure, biodiversityand succession fit together to form the basis of the way the natural world works? Explain how each of these ideas works and find ways to link between them. Present examples from your experience to demonstrate an understanding of the principals involved.
Benefits of Biodiversity
Benefits of Biodiversity
Dear OTA,
I am currently faced with the subject of biodiversity and how I actually benefit from it. On a broad scale I recognize that various resources and cultures can contribute to sustainability as a whole, but how do I explain how the general population benefits from it?
I am also curious as to any insight regarding the world's most "diverse" area and what threatens it the most.
Best regards,
An aspiring applied anthropologist
Carbon cycle and ocean acidification
Carbon cycle and ocean acidification: mitigations
Dear OTA,
I have developed my own opinions regarding human over population and it's strain on our Earth (e.g. welfare/religions).
One planetary boundary (of many) includes ocean acidification. Any ideas as to how to lessen this in years to come? I'm not even quite sure what defines it.
Thank you in advance,
An aspiring applied anthropologist
An aspiring applied anthropologist
Should plastics be banned
Should plastics be banned?
When assessing our current trends as humans and our impact on our planet, what do you think about proposing the reduction of plastics?
What if plastic was considered illegal?
Do you think this would help our future?
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ecological footprint
Results of our ecological footprint
How do you argue with the younger generations that we need to heed our ecological footprint now to avoid inevitable disasters on our planet?
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morality of cell harvest for saving lives
The morality of cell harvest for saving lives
What are your thoughts regarding harvesting cells as far as a necessity in saving lives? I admire your insight, so I ask "do you think it is morally wrong not too?". Pros should certainly trump cons provided there are restrictions.
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