Platforms
Which of the following is not a true statement regarding lakes? a. Lakes are fed by rivers. b. Lakes have waves. c. Lakes are found in mountainous regions. d. Lakes are smaller and more shallow than ponds. Please select the best answer from the choices provided
Which of the following is a way that humans impact rivers and streams?a.pollutionb.damsc.floodingd.all of the above
Due to decreased light penetration, which area of rivers and streams will have less diversity of plant life?a.the sourceb.the mouthc.the middle portiond.none of the above
The effects of agriculture and industry can be more harmful with the further loss of wetlands.
An increase in the number of phytoplankton in an aquatic ecosystem is always beneficial.
Which of the following factors is least influential in affecting the biodiversity of wetlands?a.type of wetlandb.food abundancec.high levels of nutrientsd.water abundance
Which of the following is not a characteristic of rivers and streams?a.vary in sizeb.mainly saltwaterc.part of the water cycled.flow toward other bodies of water
Eutrophication is caused by _______.a.an increase in nutrientsb.a decrease in nutrientsc.the introduction of new species of animalsd.the introduction of new species of plants
What characteristic is important for plants found in saltwater wetlands?a.tolerance to high temperaturesb.tolerance to salinityc.a range of climate zonesd.all of the above
Location plays a role in wetland type, but is not the sole determining factor.
Fish that feed on sediment will most likely be found in _______ rivers.a.shallowb.narrowc.deepd.fast-moving
Riparian zones can reduce the impact of water pollution.
The damage caused by hurricane Katrina took the form of _______.a.oil spills and building damageb.flooding and mold infestationsc.toxic chemicals and sewaged.all of the above
Which of the following is not a human use of wetlands?a.petroleum explorationb.recreational boatingc.juvenile fish nurseryd.shipping waterway
Which of the following best describes how levees impact wetlands?a.Levees protect wetlands from destructive river floods.b.Levees promote healthy wetland formation.c.Levees prevent rivers from adding their sediment to wetlands.d.None of the above.
The main difference between ponds and lakes is that ponds _______.a.are inland bodies of waterb.do not develop self-contained ecosystemsc.are smaller than lakesd.have easily observed currents
Based on the widespread use of levees along the Mississippi River, the wetlands along the Louisiana coastline are _______.a.growingb.shrinkingc.remaining unchangedd.shifting without changing size
How do wetlands reduce flooding and erosion?a.Wetlands reduce flooding and erosion by filtering water.b.Wetlands reduce flooding and erosion by absorbing water and then releasing it slowly.c.Wetlands reduce flooding and erosion through decreased vegetation.d.All of the above
The abundance and variety of foods available in wetlands is a large contributor to their biodiversity.
Rooted aquatic plants can be found in areas with lower sunlight exposure.
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