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APES EXAM QUESTIONS AND ANSWERS
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APES EXAM QUESTIONS AND ANSWERS
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APES EXAM QUESTIONS ANDANSWERS
In a country going through a demographic transition and becoming more industrialized -
Answer-c. birth rates fall
Which is NOT associated with passive solar energy? - Answer-a. putting a photovoltaic
cell on the roof
Which is the correct order of soil particles from largest to smallest? - Answer-c. sand,
silt, clay
A scientist does an experiment with brine shrimp and a particular pesticide and finds
that 10 ml of the pesticide kills half of the shrimp. What has the scientist found? -
Answer-a. the LD-50
Which is an example of an indicator species? - Answer-c. leopard frog
Radioactive waste generated in the United States is currently being stored - Answer-d.
at the nuclear plants where the waste is produced
Which is a concern about excessive use of fertilizer in yards and gardens? - Answer-b.
it will contribute to eutrophication in nearby waterways
Which is NOT a greenhouse gas? - Answer-c. sulfur dioxide
Alum, which is used in sewage treatments plants as a flocculating reagent, helps -
Answer-c. the sewage to clump and sink
Why might a country have a replacement level fertility as high as two children per
person? - Answer-c. the country has a high infant mortality rate
The efficiency of a typical coal fired electricity plant is roughly - Answer-c. 50%
Habitat loss, invasive species, pollution, overpopulation, climate change, and over
harvesting have contributed to - Answer-a. increasing the number of endangered
species
A city with a population of 10,000 has 50 births, 30 deaths, 30 immigrants and 10
emigrants in a year, What is the net annual percentage growth rate? - Answer-d. 0.4
percent
40 = 0.004 x 100 = 0.4%
10,000
, The Earth is tilted approximately 23 degrees. This causes - Answer-a. the seasons
Radon is found in bedrock and can seep into homes through basements and other
means. Why is radon a concern? - Answer-d. radon causes lung cancer
Which is NOT a disadvantage of using nuclear power? - Answer-c. nuclear power plants
generate significant CO2 emissions
Which of the following is NOT an advantage of genetically modified crops? - Answer-d.
they are less expensive
Which is a nonrenewable energy source? - Answer-a. nuclear
Which is NOT typically included in the price of a good or service? - Answer-c. the cost
of externalities
Weather on Earth is found in which layer of the atmosphere? - Answer-a. troposphere
According to the graph, from 1800 to 2010 human population displayed - Answer-c.
exponential growth
Consider two different communities each with 100 organisms
Community 1 has 10 different species with 10 of each species
Community 2 has 5 different species with the following numbers:
Species 1 = 40
Species 2 = 20
Species 3 = 20
Species 4 = 10
Species 5 = 10
What can we tell about community 1 compared to community 2? - Answer-a. community
1 has more species richness than community 2
Which is a layer of organic detritus? - Answer-a. O
Which layer is known as the subsoil and has very little organic matter? - Answer-c. B
If a population is growing at a rate of 7% per year, how many years will it take for the
population to double? - Answer-a. 10 years
= 10 years
When is the level of ozone in the Northern Hemisphere at its lowest? - Answer-b. March
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