True Or False Questions

1.       Gradient lateral is the movement a stream makes as is follows and drops within its streambed.

2.      Snowfall melt will decrease the amount of water flowing through a stream course in   December in the Ouachita River.

3.      Winter snow will increase the oxygen content of an Ozark  mountain stream in August.

4.      Oxygen levels limit the activity of fishes in ponds.

5.      Propogation of plants in aquatic environments can be by asexual or sexual methods.

6.      Amphibians are smooth-skinned, warm-blooded, aquatic organisms.

7.      Amphibians and reptiles reproduce by laying egg masses in water.

8.      Crustaceans are aquatic organisms in larval stages and flying predators in adult stages.

9.      Damselflies hold their wings horizontal when at rest.

10.  Water pennies are found only in wishing wells

Pick the best answer of the ones presented

11.  There are  ______ method of reproduction in plants.

         

          A. 2     B. 3   C. 4.  D. zero

 12.  If amphibians with tails remain in an aquatic environment rather than leaving the 

      water, they usually develop these ____.

 

          A. wings  B. gills    C. feet    D. shorter tails

 

13.   Freshwater invertebrates can be found in _____.

 

  A. estuaries   B. saline springs   C. Ozark streams    D. thermal waters

 

14.   An estuary is a _____.

 

 A. fish   B. imaginary creature  .C. amphibian    D. none of the above

 

15.   A water strider is an example of a ____.

 

  A. amphibian  B. crustacean   C.  insect    D. reptile

 

16.   The Asian clam is found in _____.

 

  A.  thermal streams  B. artic lakes   C.  Arkansas   D. non-existent animal

 

17.    Aquatic macroinvertebrate organisms are important for _____ management in   

        Arkansas cold water streams.

 

         A. catfish   B. trout   C. crappie   D. not important at all

 

18.    Zebra mussels are covered with _____ stripes.

 

          A. longitudinal  B. horizontal   C. concentric   D. vertical

 

19.     Secchi disks are used to measure _____.

 

           A. earthquakes   B. light passage   C.  water purity    D.  air density

 

20.    Taxonomy is used to ___ macroinvertebrates.

 

          A. name   B. taste   C. deteriorate   D.  delineate

 

21.     A perch is an example of a _____.

 

          A. crustacean   B. insects   C. fish     D.  amphibian

 

22.     Freshwater environments are typically low in dissolved  _____.

 

          A. calcium    B.  iron    C.  aluminum   D. none of the above

 

23.    Aquatic algae  are highly enhanced by  large amounts of dissolved _____.

 

          A. calcium   B. nitrogen   C. phosphorus    D. oxygen

 

24.     Aquatic plants can be which of the following ______.

 

         A. trees   B. algae    C. grasses   D. all of the above

 

25.     Soils in ____  are generally saturated.

 

         A. alpine meadows   B. swamps  C.  tundras   D.  estuaries

 

26.    Beaver are _____ usually associated with an aquatic environment.

 

         A. crustaceans   B. detritivores   C.  mammals   D.  insectivores

 

27.    Cypress is an example of an aquatic _____.

 

         A. conifer    B.  evergreen   C.  fern    D.  grasss

 

28.    Fluvial refers to ____.

 

  A.  sediments   B. salts   C.  diseases    D. none of the above

 

29.    Littoral  refers to _____.

 

         A. tree tops   B.  tree roots   C.  free radicals    D.  none of the above

 

30.    A soil in an aquatic situation is said to be ____.

 

         A. friable   B.  extraneous   C.  seismic   D.   none of the above