What is an ecosystem? What is the spatial scale of an ecosystem? Provide some examples of an ecosystem
What will be an ideal response?
An ecosystem is a self-sustaining association of living plants and animals and their non-living physical environment. An ecosystem is a scaleless concept. It can range from very small, such as a city park or even a single long to exceptional large, such as a biome. There are multiple examples of ecosystems, student answers will differ.
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Referring to the figure below, how many of the phase changes release energy to the surroundings?
A. all B. one C. none D. two
Moist air blows across warm water to colder areas inland. What might this produce?
A) decreased inland temperatures B) a cold air front C) a temperature inversion D) fog
The mass extinction at the end of the Mesozoic was of far greater magnitude than the extinction at the end of the
Permian. a. True b. False
Hurricanes are rated according to sustained wind speed. The Richter Scale is widely used to indicate hurricane strength.
a. true b. false