Which cycle has a direct effect on the natural greenhouse effect?
A)nitrogen cycle
B)phosphorous cycle
C)oxygen cycle
D)sulfur cycle
E)carbon cycle
Answer: E
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AP Environmental Science Chapter 3
- Much of the current tropical rainforest biomes are experiencing a rapid rate of decreasing forests cover, due to logging and conversion of forests into agricultural land. Scientists estimate, if this trend continues, that the loss of forested land would
- Which of the following is a way that humans alter the water cycle?
- Also known as mineralization, this process is carried out by decomposers and returns nutrients in organic matter back to the soil
- Small inputs of this substance, commonly a limiting factor in aquatic ecosystems, can result in algal blooms and dead zones.
- Which micronutrient is required by humans in the largest amounts?
- Which of the following would NOT be an abiotic limiting factor?
- The major reservoirs of nitrogen and sulfur in the biosphere are correctly identified by which of the following?
- Which of the following is NOT true regarding the Greenhouse Effect?
- Organisms live within a range of tolerance that determines their habitat. Which of the conditions below is NOT a range of tolerance?
- High quality energy is constantly
- The most important factor in determining which biome is found in a particular area is
- Complex feeding patterns for consumers in an ecosystem are called
- Fragmenting one large park or preserve into many small parks with human habitation in between them is most likely to lead to which of the following?
- Which of the following is a green house gas that is emitted into the atmosphere by transpiration?
- Organisms that complete the final breakdown and recycling of organic materials from the remains of all organisms are the
- After a severe drought, the productivity in an ecosystem took many years to return to pre-drought conditions. This observation indicates that the ecosystem has
- All of the following gases make a significant contribution to the natural greenhouse effect except
- This process has plants converting inorganic nitrogen compounds into organic compounds, such as amino acids
- Most of the energy input in a food chain is
- Which of the following has the LEAST net primary productivity (NPP)?
- Large ecological regions with characteristic types of natural vegetation and distinctive animals are called
- Which of the activities listed below is NOT an important ecological role of insects?
- The percentage of usable energy transferred as biomass from one trophic level to another is known as
- Which of the following is a green house gas emitted by cattle?
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