Consider the following statement: A city is like an ecosystem. Discuss why you agree or disagree with this statement and provide supporting evidence in your explanation (use the relationships discussed in chapters 2 and 3 to compare and/or contrast cities and ecosystems).
What will be an ideal response?
Should contain some of the following information and may include others as well.
Compare: Both are communities of living things along with the physical environment; both are affected by the abiotic conditions; both have a constant flow of matter and energy cycling through both living and non-living; both involve niches; both have fairly distinct boundaries.
Contrast: Cities involve only humans-other species may live there, but are not an integral part of the functioning city; people not affected so much by abiotic factors (e.g., temp. is regulated by A/C and heating, go to work whether it is raining or snowing); many human activities and inputs are part of a city, but not an ecosystem (city foundation, drainage, sewage, pollution, garbage, etc.); infrastructure completely different-man-made in cities, natural in ecosystems.
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Why are the Burgess Shale organisms considered an unusual fossil assemblage? What will be an ideal response?
Seismology has produced a great amount of information about:a
the mechanisms of plate tectonics. b. the physical and chemical state of Earth's interior. c. the causes of mountain building. d. earthquakes. e. all of the above
A heavy snowstorm accompanied by strong winds is called a blizzard
Indicate whether the statement is true or false
Which of the following features attracted geologists' attention on Mars?
A. a meteorite resting on the Martian surface B. layered rocks in the walls of several craters C. small spherical objects, nicknamed blueberries, that contain the mineral hematite D. a large area with abundant hematite discovered before the rovers landed E. All of these choices are correct.