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In this lab, you will determine how an invasive species-the zebra and quagga mussel-affects other species in the freshwater lake. Use the animation to help you come up with an answer to the following:
The Effects of Zebra and Quagga Mussels Introduced into a Freshwater Lake
As you have learned, population dynamics are caused by the biotic potential of the population and the effects of environmental resistance. When there is minimal environmental resistance impacting a population, it will exhibit a population explosion. One reason for minimal resistance could be factors that no longer regulate a population (e.g., predator decline or resource increases). Another reason for a population explosion is the introduction of an invasive species. Invasive species are species foreign to an ecosystem and are not immediately regulated by the environmental restraints of the particular ecosystem that they invade. This in turn allows their populations to grow seemingly uncontrolled and to displace other indigenous populations. Examples of such an invasive species into North America are dreissenid mussels, commonly known as zebra and quagga mussels. Their introduction into the Great Lakes has caused economic hardship and a reorganization of the ecosystem. This has led, in part, to pollution-causing effects that can be linked to an alga known as Cladophora.Ecosystems are webs of intricately balanced interactions. But what happens when a new species is introduced that uses a disproportionate share of the ecosystem's resources?
What types of researchers and scientists use carbon-14 radiometric dating? What type of researcher would use the other isotopes such as uranium-238?
a group of scientists is studying the change in the amount of pesticides found in ocean water over a 20-year period.
explain how you think healthcare workers overcame the limitations of the past approach(es) to prevention and control and came to develop the current approach.
Identify a belief. For example, you might choose a religious belief, a moral value, or a political position. It can be a belief you yourself hold or one you have seen professed by other people.
Review the entire list of talks on the "Creative Spark" TED channel. Select one talk that is of interest to you and watch it in its entire length. Write a 700- to 1,050-word summary of the salient points made in the talk and its supporting details ..
Strayer Library to research evidence-based strategies
For each of the following topics, decide whether it could be studied using an experimental research design. Explain why or why not.effect of parietal lobe damage on ability to do basic arithmeticeffect of being clinically depressed on the number of c..
1. Cartesian dualism is often criticized for being overly problematic. Explain Cartesiandualism and several problems it faces. Next, describe why many argue physicalism is abetter theory of mind. Last, argue whether a dualistic theory of mind ..
Movies have a definite representative factor
A rationale for using qualitative research methods instead of quantitative research.
In "Preventing a Brave New World" (pp. 331-343), Leon Kass concludes that reproductive and therapeutic cloning of human embryos is unethical. What are the exact steps in Kass's argument for this conclusion? What is your assessment of the strengths an..
interdisciplinary integration apply principles of healthy living at the individual and community level to protect and
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