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In terms of ecological science, what is a "niche?" 2. Give a brief example of parasitism, mutualism, and symbiosis. If you have trouble finding examples, check the marine world, there are many such situations there. 3. E. O. Wilson noted that whenever a species becomes extinct, we have no idea what effect the loss of that species will have on the remainder of the gene pool in the long term. Explain what Wilson meant by that statement. 4. Why is a variety of species more desirable in an ecosystem than a single species? Give one example of the advantages of a multi-species system. There are 4 questions here. The recommended word count for each answer is 150 words.
A rabbit taken from a meadow near sea level and moved to a meadow high on a mountainside would have some trouble breathing. Why give an appropriate reason.
Discuss the importance of all cell cycle phases, with emphasis on the stages of mitosis.
How (and why) can plant hormones be used as herbicides? Find and describe at least one detailed example.
The "Primordial soup" includes the mixture of elements and gases which are thought to have started life on the Earth. Speculate on how, over the course of evolution, these complex molecules would eventually form the complex life forms such as human..
What roles do contractile, regulatory, and structural proteins play in muscle contraction and relaxation?
We are told that every surface we touch is teeming with bacterial cells, and bacteria are found in the pools we swim in, water we wash with, and on the hands of friends. Why don't we always have problems with bacterial infections all over our bodies.
What do you think would happen to your cells if you drank distilled water or went swimming in salt water or the Dead Sea?
Discuss the process of natural selection as defined by Darwin. How did Darwin's theories differ from his predecessors? In your opinion, have his theories proved to be correct? Why and why not?
Discuss the different phases of the cell cycle. At which part of the cell cycle would you expect that a change in regulation could result in cancer? How is the cancer cell cycle different from a normal cell cycle? Provide a rationale for your answer.
Hippogriffs can have black fur or gray fur. However, there is a high rate of mutation from black alleles into gray alleles. In a population of 1000 hippogriffs, if there are 800 alleles for black fur and the forward mutation rate (ie., from black ..
If a proton is released from rest in a uniform electric field,does corresponding electric potential at the proton's changing location increase or decrease? What about the electric potential energy?
Prepare a treatment train of tertiary wastewater treatment that includes physical treatment, biological organic removal, nutrient removal, and sludge treatment.
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