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Study Guide Answers
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1.
Laguna Madre is on the south coast of ____________________ .
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Texas |
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2.
The Gulf of Mexico Barrier Island separates the mainland from the Gulf itself. True or false?
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true |
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3.
Laguna Madre is a(n) _________________ estuary. a.) hyposaline b.) salycilic c.) antisalinic d.) hypersaline
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d.) hypersaline |
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4.
An environment such as #3 occurs when the amount of water ______________________ exceeds the amount of water being added.
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evaporating |
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5.
Sea grass hosts tiny marine life and thus is at the bottom of the _____________ _______________ .
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food chain |
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6.
Because of its barren bottom, Baffin Bay has a limited number of species, but many fish. This is due to the fact that they do not compete for food. True or false?
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true |
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7.
Not only is Laguna Madre a perfect place for marine life; it is also home to many ______________ .
a.) cows b.) birds c.) rodents d.) lizards
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b.) birds |
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8.
Why is Laguna Madre so fragile?
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Not much water drains from it, keeping the estuary precariously balanced. |
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9.
Explain why the "brown tide" could be detrimental to the entire ecosystem of Laguna Madre.
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Sun might not reach the sea grass through such murky water, and sea grass is essential to sustaining the entire food chain. |
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10.
The dredging of the _____________________ Waterway helped Laguna Madre to drain.
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Intracoastal |
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11.
Why are fishing cabins harmful to the estuary?
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People who go to the cabins produce a lot of waste, which damages the estuary. |
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12.
Shallow-water boats called _____________________ tear up sea grass; this will eventually cause a loss of fish.
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scooters |
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13.
Why doesn't the State create passes in the barrier, in order to allow water to drain?
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They probably cannot be maintained properly, because this maintenance would be very expensive. |
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14.
The GCCA is trying to stock the Laguna Madre, but the fish cannot survive without a suitable
_______________________ .
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habitat or environment |
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15.
What ideas are being implemented in order to preserve the estuary? What other ideas may work?
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commercial fishing is regulated now/ more sports fishermen are releasing fish/ boats should be restricted to areas near channels, so they don't tear up sea grass |
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© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.
|