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We have looked both at how chimpanzees communicate in their natural environment and at projects in which chimpanzees learn to communicate through other modes (signing with the hands, messages encoded by buttons connected to a computer, etc.). Suppose that we found frozen remains of a Homo erectus and a Homo neanderthalensis and were able to use their DNA to undertake a "Jurassic Park" type of project by cloning these two species and establishing communities of them. Why would this latter type of project be likely to tell us more about how modern human Language originated and evolved than the two types of chimpanzee communication studies can tell us about this issue? Your answer should consider the following points:
(i) The relative places on the primate family tree of chimpanzees and Homo species.
(ii) The type of natural communication system used by modern chimpanzees (that is, the type from Pinker's three types of animal communication systems)
(iii) How the communication systems of earlier Homo species may have differed from both the system of modern chimpanzees and the system of modern humans.
Programs have been established to supply food from Western nations to starving people in Africa. Some people argue that such food programs, which may have short term benefits, actually increase the threat of starvation in the future. What are the ..
The D. melanogaster genome consists of approximately 1.7 x 108 base pairs. If DNA synthesis occurs at a rate of 40 base pairs per second, and the entire genome is replicated in 10 minutes, how many bidirectional origins of synthesis are required t..
q1. a red-hot bacterial infection of the intestinal tract irritates the intestinal cells and interferes with digestion.
Jacob has hemophilia. His wife, Ella, does not. Ella's mother had hemophilia. Ella's father did not. What is the phenotypic ratio of Jacob and Ella's offspring?David is red-green colorblind. His wife is has normal color vision and does not have a fam..
Both endocrine and nervous system are major regulating system of the body; but nervous system has been compared to an airmail delivery system and the endocrine to pony express. Briefly explain the comparison.
Write research paper on COPD
one of the basic tenets of evolution by natural selection is that evolution requires variation upon which selection acts. How might drift prevent selection from acting?
Discuss how does the change in heart rate during deep inhalation compare to the change in heart rate during normal inhalation?
What is the problem with this patient and what is the source of ATP in red blood cells?
which of the following is not one of the urinary systems functions.
If bacteria share antibiotic-resistance genes by conjugation, why is it common to see bacteria becoming resistant to multiple antibiotics after conjugation?
Draw pictures to represent the bands that would appear by bacterial DNA in the density-gradient tube before the switch to 14N media and after one & two generations after the switch to 14N media if replication were a) semiconservative; b) conservat..
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