Darwin's theory of organic evolution and its relationship to uniformitarianism, geology homework help

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  • Discuss Darwin's theory of organic evolution and its relationship to uniformitarianism.
  • Color is not a good physical property to identify minerals. For example, feldspars can be a variety of colors. Explain why this is so. What can the color tell you about the mineral?
  • What is Walther's Law? Why is it important?
  • Distinguish between a stable isotope and an unstable isotope.
  • How do oxygen isotopes in the skeletons of marine organisms provide a record of past ocean temperatures?
  • What are sedimentary structures? How can they be used to interpret geologic history?
  • What are “oozes”? Why are carbonate oozes not found in deep marine deposits?
  • Distinguish between the various types of metamorphism.
  • Why is it important to identify unconformities when correlating different stratigraphic columns?
  • Compare prokaryotes to eukaryotes.
  • What is evolutionary convergence? Give an example.
  • Explain how the concept of punctuated equilibrium accounts for the origin of new species. Compare this with phyletic gradualism

I need each question to be answered in complete sentences. Thanks!

Tutor Answer

QUINC3Y
School: Duke University

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Discuss Darwin's theory of organic evolution and its relationship to
uniformitarianism.
o Darwin’s organic evolutions states that organisms evolve over time.
Uniformitarianism states that changes in the earth’s crust over history have
resulted from the actions of continuous processes. These processes and
changes in the earth are what cause organisms to evolve.
Color is not a good physical property to identify minerals. For example, feldspars
can be a variety of colors. Explain why this is so. What can the color tell you about
the mineral?
o Color can vary because of so many different variables like light or moisture
so its not reliable. It possibly can tell you what the mineral is made of.
What is Walther's Law? Why is it important?
o Sedimentary environments that started out side-by-side will end up overlapping
one another over time due to transgressions and regression...

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