CLAA06H3 Lecture 2: Lecture 2 Notes
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27 Apr 2011
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Hercules; legend; superhuman or divine power, still human. Jack and the beanstalk; folktale; normal human beings, the person ends up learning some sort of moral, and reversal of fortune. God of war 2; divine myth; story of the gods, god central character sources of myth. Oral tradition; there"s going to be different branches of each myth because it"s word of mouth. Literary works take their structure from these. Literary work has only one author, may introduce variations; once a writer writes something down, to make it their own they have to emphasize points and bring in their own morals, what points will they downplay. Archaeological record; all allow us to see what myths would have been like in cultural context. Judgment of paris; gods athena aphrodite judged by who is most beautiful judged by prince. Dionysus and the pirates; made of little tiny pieces of tile made into designs and pictures.
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Related Questions
Question 1
Evolutionary algorithms are used:
In engineering, to arrive at solutions by going through many permutations of possible solutions and allowing them to evolve. |
A genetic feature of complex organisms. |
A process undergone by the human brain, which is similar to evolution by natural selection. |
Another term used for a computer algorithm in general. |
Question 2
Human literature and languages can be studied using methods similar to those used for constructing phylogenies because:
There is no other way of studying these things. |
Languages evolve roughly along the lines of species, with mutations (changes in words and pronunciation), descent with modification (languages becoming more different along the way), and branching of languages (languages giving rise to other languages that are similar to them). |
Because literature and languages are constructed by organisms (human beings), so what applies to one must apply to the other. |
Languages undergo a process of word swapping, which is analogous to horizontal gene transfer. |
Question 3
The degree to which horizontal gene transfer occurs in eukaryotes is:
Something upon which the entire validity of evolutionary biology hinges. |
A mystery that may or may not disprove evolution, but we simply don't know enough about it at this point. |
Something that would overthrow the notion that this phenomenon is important in bacteria. |
An interesting and potentially important aspect of biology with relevance for how evolution occurs, but not something that would call it into question one way or the other. |
Question 4
Learning about the history of scientific theories and the reasons for why they are initially accepted or rejected is important mostly because:
It makes for exciting story telling, and this is very much needed to get people interested in science. |
It teaches us about the process of science as it actually occurs, which is somewhat different to the idealized notion of a purely objective undertaking. |
It tells us which theories are definitely true or false. |
It tells us that science is actually a totally subjective process that tries to present itself as objective. In reality, personal subjective factors are the only relevant factors that really matter in science. |
Question 11
The wings of birds have evolved to facilitate powered flight, but they are also:
Derived from structures that had other functions, such as thermoregulation and sexual display. |
Able to evolve into any other type of structure, given the flexibility of developmental genes. |
Unable to revert back to serving other functions (if they ever had them). |
Certainly only a transition on the way to something else in the future. |
Question 12
Which of the following is TRUE:
For most of life's history, organisms have been multicellular, though hominids only occupy a tiny portion of this history. |
For most of life's history, organisms have been a mixture of uni- and multicellular, through hominids have occupied only a fairly small portion of this history. |
For most of life's history, organisms have been unicellular, and hominids occupy only a tiny portion of the entire span of time in which life has existed on Earth. |
For most of life's history, organisms have reverted back and forth between uni- and multicellular, with a sort of "zig-zag" pattern in which one form of life dominated at any particular time. |
Question 13
There are some phenotypic differences among human populations that reflect adaptation to different environments. This indicates that:
Some populations are innately superior to others, because they have what it takes to prevail in those environments. |
Selection has been active on these populations. |
There are candidates for a program of selective breeding wherein we can pinpoint universally desirable characteristics. |
Admixture among human populations is decreasing, and that continued admixture can only mean that humans must stop adapting to their environments. This is neither "good" or "bad", it's simply the way that selection works. |