![]() ![]() What is special about preservation of fossils in the Burgess Shale?4) What does “phyla” mean in a taxonomic sense?Explain.(Does it represent a broad category or a very narrowly defined category of animal?)5) Judging by your impression of how evolution works, would you suspect there to be greater or less variety in animal phyla early in earth's history compared to today?No right or wrong answer, but you must explain your reasoning.6) One common Cambrian animal was the trilobite. ![]() Describe the following:*When they lived.*Where they have been found*What they looked like (size, shape, etc.)2) What makes the “Cambrian Explosion” so unique in the history of life on earth?3) Describe the Burgess Shale. (Links to an external site.)Links to an external site.1) Predating the Cambrian Explosion are some curious multi-celled creatures called Ediacarans (or Vendians). Please describe:*What sort of rocks are present.*Age of this unit.*Location of Fountain Formation.CHAPTER 12: QuestionsBasically, there is ONE key event in the Paleozoic history of life-it’s called the Cambrian Explosion.Learn about the Cambrian explosion on UCMP web page. ![]() This is called a paleo-geographic reconstruction.Both mountain uplifts and “evaporite-deposits” are found in what is now the Colorado region.Do you think that the location of the mountains might have influenced the formation of evaporite deposits? Explain.2) The erosion of the Ancestral Rockies produced rocks known as “arkose.”Explain the use of the term “arkose.”3) Use a web search to investigate the Fountain Formation. Capture a view of the table showing the city, population, and funding amount.ĬHAPTER 11: Questions1) For those of us who live near or in the Rocky Mountains, the Late Paleozoic is an important and fascinating time.Examine Figure 11.8 carefully. Create a feature class that contains only the qualified cities and has a table field listing the amount of funding to be given to each. The bill stipulates that the funding is to be divided among the qualified cities in proportion to their population. The cities that qualify for the funding must have more than 500,000 people and be less than 50 miles from one or more earthquakes exceeding 6.0 in magnitude. (Hint: Do your queries in more than one step.)What percentage of counties in the United States has a river intersecting them? What percentage of the US population lives in these counties?How many counties have more than 1 million people and contain a state capital? List the states these counties are in.How many cities are within 50 miles of a volcano? (Add the volcano feature class from the Usa\usdata geodatabase.) What is the total number of people living in those cities?How many other volcanoes are there within 300 miles of Crater Lake, a volcano in Oregon? How many of these volcanoes are also within 50 miles of an interstate?How many cities in the West South Central subregion of the United States are less than 200 miles from Oklahoma City? Capture a map showing your selected cities.How many capitals are more than 50 miles from a river? Which one has the most people?Congress has awarded FEMA $10 million to help large cities prepare for earthquakes. Use the most recent population fields available in the table unless directed otherwise: How many states have counties named for Thomas Jefferson (i.e., how many Jefferson Counties are there)? Which state has the Jefferson County with the most people in the year 2010?How many counties in the United States have more men than women? What percentage of the counties do they represent?How many cities in the United States have more Hispanics than African Americans, a median age greater than 40, and a population between 50,000 and 100,000? List the names of the three largest. Exercises: Week 5 Assignment Use the files in ex_8.mxd to answer the following questions. ![]()
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