BellasAnthroBlog

 1.  Select only ONE of the following environmental stresses:  (a) heat, (b) high levels of solar radiation, (c) cold, or (d) high altitude.  Discuss specifically how this environmental stress negatively impacts the survival of humans by disturbing homeostasis.   How does it make it difficult for the human body to maintain internal conditions that allow the physiological systems to function correctly?  Information is available in the assignment module. (5 pts) High altitude presents a unique challenge to the human body. The lower oxygen level can disturb homeostasis, making it hard for our bodies to function properly. Our cells need oxygen to produce energy, so when there's less available, it puts strain on our cardiovascular system as it works harder to deliver oxygen. This can lead to altitude sickness, characterized by symptoms like nausea, headaches, and shortness of breath. The body can adapt to an extent by producing more red blood cells to carry oxygen, but it can take weeks

  1.   Synopsis:   Begin by giving a  detailed   synopsis of the Piltdown hoax, including when and where it was found, by whom, its scientific significance (what Piltdown would have taught us about human evolution) and varying effects this had on the scientific community. Also include how the hoax was discovered and the varying responses it received from the scientist(s) involved and in the related fields of human evolution.  Remember that science doesn't occur in a vacuum... were there any current events that might have influenced the response by the scientific community to this discovery?  This should be detailed and tell the story of this event to your readers.   The Piltdown was a hoax in the history of paleoanthropology, was claimed as the "missing link" in more watered down terms between humans and apes. Unearthed in Piltdown, England in 1912 by Charles Dawson, an amateur archaeologist, finds included a human-like skull with an ape-like jaw, immediately sparking a g

    Two different species that possess the  homologous trait are different kinds of foxes like an arctic fox and a snow fox. Both having larger ears which is a homologous trait that is inherited from their common ancestral lineage. While an arctic snow fox resides to a different climate of icy cold tempature. The point to their ears is that they have evolved to be more small in order to decrease heat loss in their colder tempature. The adaption quite simply is a result of selective pressures of environment on an inherited trait of large ears. Meanwhile a Desert Fox lives to hot desert climates. Their ears in turn being more evolved to become large despite what their body size appears to be since they have come to be this way due to them being needed to dissipate heat in order to keep them cool as an evolutionary response to their environment on the same inherited trait of large ears. So, despite the same inherited trait of large ears they are both subject to different environments whic

  About mid-way through the semester, in a class you are taking on campus, you become increasingly irritated by a student who sits in the back of the class.  The student always manages to fall asleep about 15 minutes into the lecture.  Normally it wouldn’t bother you, but occasionally he lets out a snore that breaks your attention and disrupts the class.  The instructor has repeatedly asked the student to work harder to stay awake, but he is not having any success. For this activity, you are going to be using the scientific method to try and figure out why the student is falling asleep.  Develop a  testable  hypothesis that might explain what is happening here. Why do you think the student is falling asleep in class? (5 pts)- It is possible that the student is falling  asleep in class because of issues going on in their personal life as a breakup or stress from other classes keeping them up at night keeping him from being able to sleep soundly. Your test: I would test this hypothesis b