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APES unit 3 review Questions and Answers

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APES unit 3 review Questions and Answers Based on the data shown in the graph, which of the following events occurred after the glacial retreat? primary succession Scientists at the National Oceanic and Atmospheric Administration (NOAA) are forecasting this summer's Gulf of Mexico hypoxic ...

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  • December 4, 2024
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APES unit 3 review Questions and
Answers
Based on the data shown in the graph, which of the following events occurred after the
glacial retreat? - answer primary succession

Scientists at the National Oceanic and Atmospheric Administration (NOAA) are
forecasting this summer's Gulf of Mexico hypoxic zone or "dead zone"—an area of low
to no oxygen that can kill fish and other marine life—to be approximately 7,829 square
miles, or roughly the size of Massachusetts. The annual prediction is based on United
States Geological Survey river flow and nutrient data.The 2019 forecast is close to the
record size of 8,776 square miles set in 2017 and larger than the five-year average
measured size of 5,770 square miles.The annually recurring Gulf of Mexico hypoxic
zone is primarily caused by excess nutrient pollution from human activities, such as
urbanization and agriculture, occurring throughout the Mississippi River watershed.
Once the excess nutrients reach the gulf, they stimulate an overgrowth of algae, which
eventually die, then sink and decompose in the water. The resulting low oxygen levels -
answer The increased rainfall events in the United States are decreasing the
tolerance of fish and other marine species in the Gulf of Mexico because of a decreased
concentration of oxygen.

For which of the following reasons do small isolated islands have a greater rate of
species extinction than larger, less isolated islands? - answer Small isolated islands
are more likely to receive more migrating species.

The diagram below shows a change in an ecosystem overtime. Which of the following
best identifies an describes a process that is illustrated in the diagram above? - answer
Primary succession, because the process in the diagram begins with bare rock.

Consumption of mosquitoes by bats in the control of flooding provided by tropical forest
in mountains areas of Central America are examples of? - answer Ecosystem
services

A one-hectare pond is sampled in early September. The sample yields 1 small catfish
as well as 17 benthic invertebrates that represent 10 species.
Which of the following can be estimated from the sample for the invertebrates in the
pond? - answer species richness

Very Large Dead Zone Forecast for the Gulf of Mexico
Which of the following best identifies the authors claim? - answer The increased
rainfall events in the United States are decreasing the tolerance of fish and other marine
species in the Gulf of Mexico because of a decreased concentration of oxygen.

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