Pools, Ponds, and Lakes Answers

How are littoral and riparian zones different?a.Littoral zones contain vegetation, while riparian zones do not.b.Littoral zones have greater access to sunlight than riparian zones.c.Riparian zones are more important to aquatic animals than littoral zones.d.Riparian zones occur where water meets land, while littoral zones occur at depths of less than 15 feet.

Most aquatic plant life can be found in the littoral zone.

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

Plankton are most commonly found in the _______.a.pelagic zoneb.littoral zonec.benthic zoned.all of the above

What important function do stream pools serve?a.Stream pools serve as a habitat for juvenile fish.b.Stream pools serve as a habitat for organisms that have difficulty in feeding or navigating swifter areas of the stream.c.They have greater depth and lower velocity than other parts of the stream, thus allowing a habitat for organisms during dryer seasons.d.All of the above

Littoral zones are more likely to contain vegetation than riparian zones.

Stream pools are more similar to ponds than lakes are.

Ponds and lakes can be natural or manmade.

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

Why are living organisms more common in the littoral zone than in the benthic zone?a.The benthic zone has less light penetration.b.The littoral zone has a variety of plants.c.The littoral zone provides more resources.d.All of the above