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Q1. Suppose that you have been chosen as the biologist for the design team implementing a self-contained space station to be assembled in orbit. It will be stocked with organisms you select, creating an ecosystem that will support you and five other people for two years. Explain the main functions you expect the organisms to perform. List the types of organisms you would select, and explain why you chose them.
Q2. Biologists in United States are concerned that populations of many migratory songbirds, such as warblers, are declining. Evidence suggests that some of these birds might be victims of pesticides. Most of the pesticides implicated in songbird mortality have not been used in the United States since the 1970's. Propose a hypothesis to explain the current decline in Songbird numbers. Suggest an experiment that could test your hypothesis.
What is the phenotypic ratio for the F2 generation? Demonstrate the work, including your key. what are Harry and Sally's blood types? Show your work. What if blood typing exposed Harry had type O blood.
Suppose you are a geneticist and you're asked to examine the effects of a radiation leak that occurred at a facility in Iraq several years ago. How will you assess the level of mutations caused by this leak.
If Penicillium typically secretes penicillin without disturbing the lichen relationship in which it is engaged, then what should have been true about its partner.
Based on this value, about what proportion of her own body weight in phytoplankton will a 60 kg woman require eating over the course of a year, if this were her only source of energy.
Describe how a slight (but smooth) contraction differs from a vigorous contraction of the same muscle using the understandings of multiple motor unit summation.
Mary is in an automobile accident and injures her spinal cord. She has lost feeling in her right hand and her doctor tells her it is the result of swelling compressing a portion of her spinal cord. Which part of her cord is possible to be compressed.
Case study on Salmonella Outbreaks in the U.S.
Explain how one of these main concepts is connected to your own personal observations. Clearly describe two methodological problems associated with the way Scientists study the topic.
What is the probability that they will have a male child who is a hemophiliac. what is the possibility that he will be colour blind.
Will xylem fluid flow into the aphid. Which microbes are most susceptible versus most resistant to disinfectants? Why.
What is the difference between lactococcus lactis and staphylococcus epidermis? I am doing a lab and I've found out that my bacteria are gram positive cocci that ferment lactose and mannitol. I have it narrowed down to lactococcs lactis and staphyloc..
How can you infer what type of volcano erupted in a given area based on type of volcanic deposits now found as layers of rock. What abnormality may underlie those conditions.
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