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1. In the region where both species co-occur the northern snuffle has a relatively wide and short snuffle whereas the southern snuffle has a long and relatively thin snuffle. In areas where they occur alone the morphology of their snuffle is fairly similar. This observation demonstrates what?
a. The competitive exclusion principle
b. Character displacement
c. Un-stable coexistence
d. Competitive release
e. Mechanism of coexistence
2. The researchers have determined that the mechanism allowing the coexistence of the two species is resource partitioning, with the axis of environmental heterogeneity being gradient in food types: grasses and tree leaves and the trade-off being that the southern snuffle is a more efficient forager on tree leaves due to its long and thin snuffle while the northern snuffle is a more efficient forager on grasses due to its short and thick snuffle. Based on all you know about the Ecology of the two species, this mechanism can be classified as a non-equilibrium mechanism of coexistence.
Suppose you were given ten ml of milk. You added 0.5 ml of the milk to 9.5 ml of sterile water. After mixing, one ml of the diluted milk was added to 99 ml of sterile water.
what happen if any did the UMP have on the activity. An investigation was set up to observe the effect of varying concentrations of the substrate galactose(S) on the rate of reaction of the kinase,v, with and without an added artificial nucleoside ..
Assume y ou are analyzing a dominant allele in fruit flies that mutates to a recessive allele at the relatively high rate of 10 -6 per generation.
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It has been established that incremental changes led to the development of a human eye. Closely examine the stages of development as seen in slide thirty-one of the Changes lecture.
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Our digestive and urinary systems process our food and body waste to remain our bodies nourished and functioning. Poor diet and hygiene can compromise our digestive and urinary systems,
Considering the principles of mutation, genetic drift, and natural selection discussed in this and previous chapters, do you expect adaptive evolution to occur more rapidly in small or in large populations?
Describe how one media can identify both the selective and differential nature of the organism. What components of PCRs require to be changed in order to identify genetically modified meats or milk? Generally give details why those changes need to be..
An alpha helix of twenty to twenty-five amino acids is needed to span the plasma membrane of cells. Based on the dimensions of an alpha-helix, calculate the range in width of the membrane?
How the DNA mutation leads to the manifestation of the disease. Can the mutated DNA be removed in order to cure the disease? Why or why not?
evaluate the melting temperature of the original strand. Because G binds to C more strongly than A binds to T, the melting temperature should increase with the fraction of G/C pairs along the backbone of a sequence.
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