13 Jun Biology 102 – How is a person infected with a Guinea worm
How is a person infected with a Guinea worm? Which parts of the world are
impacted by this parasite? How can knowledge of the guinea worm’s life cycle
provide a strategy to break the infection cycle?
2.
What causes River Blindness? How can a once-per-year drug treatment help
prevent this disease?
3.
What is Lymphatic Filariasis? What treatments are available for individuals with
well-developed Elephantiasis? Are any treatments effective with children? How
is the life cycle broken by drug treatments? How does the strategy to kill juvenile
worms in lymphatic filariasis compare to the strategy used to protect pets from
heartworm?
4.
How might tropical diseases like Chagas and malaria move into the United
States? Could lymphatic filariasis move into the United States? Why or why
not?
5. What insect vectors are necessary to transmit African and American
trypanosomiasis?
Human Evolution:
1. Were Cro-Magnon man and Neandertal- (Neanderthal-) man separate
species, or were they populations that regularly interbred? How can this
question be answered?
2. What features are associated with primates that help distinguish this group
from other mammals?
3. What features make us ‘human’ and distinct from other hominoids?
4. Have more than one style of bipedalism evolved in hominids? If so, how were
they similar are different from modern bipedalism?
5. What is paleoanthropology, and how does this branch of science contribute to
our understanding of hominid evolution?
6. Is the ‘tree’ that represents human evolution a straight line or multi-branched?
What happened to most of the hominids represented in the fossil record?
7. Why are brain size and bipedalism considered important features that
contributed to hominid evolution? What kinds of anatomical changes support
upright walking?
8. When and where did Homo sapiens arise? What evidence supports this?
9. Can you identify unique characteristics of Homo erectus, H. heidelbergensis,
H. neandertalensis and Denisovans?
10. What anatomical features made Ardipithecus so surprising to
paleontologists? What does the anatomy of Ardipithecus suggest about the
evolution of bipedalism? Did early hominids walk upright and gain the ability to
move into open savannahs, or did they develop bipedalism while also moving
easily through forests?
11. ‘Flores Man,’ or ‘The Hobbit’ lived until at least 15,000 years ago. Was Flores
Man human? Or something else entirely?
12. What is the biological basis for differences in human skin color?
13. Why is pigmentation an important evolutionary adaptation? Under what
circumstances is less pigment better and when might more pigment be better?
Population Ecology –
1. What are the differences (if any) between a population and a species? What
is meant by the term ‘population ecology’?
2. How can population density and the dispersion pattern of a given
population describe the way an organism behaves?
3. What are life tables and survivorship curves? How are they useful? What are
the three types of survivorship curves?
4. What kinds of factors limit population growth?
5. Can you describe the cause of so-called ‘boom-and-bust’ cycles?
6. How can an organism’s life history be shaped by selective forces? (Rate of
growth and maturation, age at which reproduction begins, numbers of offspring,
etc., )
7. Can population ecology have practical applications? Like what?
8. How does the rate of human population growth and our consumption patterns
impact the environment?
9. How does the age structure of the U.S. population explain the current surplus
in the Social Security fund? Without changes to the system, why will the
program begin to fall into a deficit in the next few decades?
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