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Ch.17 Biology test

QuestionAnswer
What are the 3 consequences of clearing rain forests? Disrupts carbon cycle, loss of medicinal plants, and extinction if rain forest species.
What is most often cited for global warming? Carbon dioxide
How primary and secondary successions different? Secondary succession starts on soil, primary succession begins on new exposed soil.
What are factors that could accelerate the rate of global warming? Decrease in Artic ice coverage and increase in ocean temperature.
Volcanic eruptions have a cooling effect, what explains this? Increase in the solid and liquid particles in the atmosphere.
Put these steps of pond succession in the correct order? 3-AS sediments accumulate, a marshy wetland forms 1-Pioneer species of plankton appear in the pond water 4-Grasses,shrubs,and trees grow in the area where the pond has been filled with rich soil 2-As some of the sediments are deposited, aquatic plants
In 1876 the gas powered motor was invented.What trend in the amount of atmospheric greenhouse gases would you expect to see in the following years? Increase
List 3 factors that have an overall global warming effect? Greenhouse gases,Combined human activities, and Changes in energy from the sun
Which would be most destructive to the long term biodiversity in a forest ecosystem? An asphalt road paved through the center
What are 2 factors that would indicate the succession is taking place on rock exposed land? Present of lichens on rocks and the formation of a pond
How does an invasive species affect biodiversity? Causes a decrease in biodiversity
As the population of an invasive species increases, how are the native animals affected? Their population has threatened the extinction of the native animals
Created by: MaggieMae09
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