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1. Food resources are rarely distributed uniformly in the environment. Most vary seasonally or have a patchy distribution and can become locally depleted. Give two possible responses of an animal species to depleted food resources in the real world. Explain how they work to solve the problem of limited prey and give an example of an animal species that employs each strategy.
2. As the polar ice shirinks with rising global temperatures, brown bears are expanding their range into the historical distribution of their close relative, the polar bear. Could this shift be explained by foraging strategy? If so, how?
While hairless hamsters are mated with normal haired hamsters, about one-half the offspring are hairless and one-half are normal. When hairless hamsters are crossed with each other, ratio of normal-haired to hairless is 1:2. How do you account for re..
Compare DNA and RNA with regard to their structure, function, location, and activity. Ho do these molecules differ with regard to the polymerases used to synthesize them?
Some human pathogenic bacteria are resistant to most antibiotics. How would you prove a bacterium is resistant to antibiotics using laboratory culture techniques?
Highest level of the diaphragm in expiration when identified along the midclavicular line is located at which of the following landmarks?
We have 2-eyes and 2-ears, yet we can see and hear very-well with only one. So, why do we have two? We have studied how having two eyes.
There is a common misconception that traditional taxonomy is according morphology, while cladistics is based on genetic data. How is this misconception incorrect?
Describing how you would test the hypothesis. Start by examining the living species around you. Ever wonder why the pollinator is attracted to the particular flower.
We did an experiment to find total protein concentration by using A260/280 and Bradford Assay Methods. Why was there a difference between the protein concentration recovered from both of these assays?
A special Mixture of gases is blended for SCUBA diving that contains 30 percent Oxygen and 70 percent Nitrogen. At atmospheric pressure what is the partial pressure of the oxygen in mmHG.
Plasmids, which are associated with membrane proteins, depend on bacterial chromosomal DNA for replication. If the genome contains ~30,000 genes, about how many genes would be removed by a deletion of DNA that might be detected by karyotype analysis.
Normal red blood cells are due to a dominant gene (b); sickle cell anemia to its recessive allele (b). In this problem a person who is a carrier of sickle cell anemia is considered to have normal red blood cells.
The organism you select should be a real one however the evolutionary change in a trait which you explain can be real or fiction. Describe how the change in this trait takes place.
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