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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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.
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