COMPREHENSIVE SCIENCES PROGRAM
LIFE SCIENCES
EXAMINATION __

1.   Introductory Information
2.   Ecology Information       
3.   Taxonomy Information   
 

 NAME: _____________________________________  I.D.# _________________  LAB TIME: ________________

Each Question is worth FOUR points

Directions:  1.  Write with a blue or a black ball point or ink pen.
                  2.  Carefully read and follow all of the directions that are given on the exam paper.  Failure to do so
                       may result in loss of point credit.

Part I.  The introduction information

1.     Cite three distinctive points about how scientific disciplines differ from non-scientific disciplines.

 

2.     List the steps of the scientific method that were used during the laboratory exercise

       

3.     Using the appropriate steps of the scientific method, provide a detailed outline for an investigation to test
        this hypothesis:  All humans have 32 teeth.

 

4.     a.  Define the term:  Science

        b.  Cite one pre-20th century biological scientist and his/her contribution

 

5.     Cite one difference between

        a.   a scientific hypothesis and a scientific theory:

        b.   characteristics of living things vs. non-living things:

6.     List:

        a.   an allied science:  ___________________________________

        b.   an applied science:  _________________________________

        c.   a specific botanical science:  ___________________________

        d.   a specific zoological science:  __________________________

 

7.     List four different categorical/types of sciences:

        a.  ________________________________    c.  _______________________________

        b.  ________________________________    d.  _______________________________

 

8.     a.   Define Life:

        b.   Cite two characteristics of life that are common to all forms of life.

 

9.     List four of the physical levels of organization of life:

        a.  ________________________________    c.  _______________________________

        b.  ________________________________    d.  _______________________________

 

10.   a.   Cite one distinctive difference between an organic substance and an inorganic cubstance.

        b.   Cite one function for

              -   a protein macromolecule

              -   a carbohydrate macromolecule

 

Part II.  Ecology Information

11.   List

        a.   one abiotic factor of the environment:  __________________________________

        b.   the niche for bacteria:  _____________________________________

        c.   a type of terrestrial ecosystem that has ambient levels of moisture, temperature, light and space
              to support diverse floral and faunal populations:  __________________________________

        d.   a type of lentic aquatic ecosystem:  _____________________________________

12.   a.   What type of energy is involved in the one-way (unidirectional) pathway of energy through an ecosystem?
               __________________________________

        b.   Draw a triangular pyramid with four levels, and label the levels going upward from 1 through 4.  Identify
              the types of organisms (niche) that would occupy level 1 of this pyramid:  __________________________

        c.   Does the amount of energy increase or diminish as you advance from level 1 to level 3?  ________________

        d.  What type of organism occupies level 4 of your diagram?  _________________________

13.   Compare the following for carbon and nitrogen as they are cycled through the ecosystem

   

C

 

N

a.  occurs naturally in what form in the environment  

______________________

 

______________________

b.  process that incorporates
it into living matter?
 

______________________

 

______________________

c.  process that releases it
from living matter
 

______________________

 

______________________

14.   a.   Which one of the graphs below, A or B, correctly depicts the growth of a population?  ___________

        b.   List  a K factor that may limit the growth of the population in graph B.  ______________________

     

A

 

B

15.   List and define two types of symbiotic relationships:

        a.   ___________________________________________________________________________

        b.   ___________________________________________________________________________

16.   List one difference between primary and secondary succession.

 

17.   a.   What is eutrophication?

 

        b.   What primary types of organisms are usually affected by water pollution that is caused by oil spills?

 

18.   List a specific source of

        a.   air  pollution:

        b.   land pollution:

        c.   water pollution (other than oil spills):

19.   From the laboratory campus ecological survey done on ____________ name:

        a.   a specific abiotic factor that was assessed:  _______________________________________

        b.   a specific form of plant life:  _________________________________________________

        c.   a specific type of invertebrate animal life:  _________________________________________

        d.  a specific type of vertebrate animal life:  ________________________________________

 

Part III.  Taxonomy Information

20.   Cite the correct taxonomic information for the human classification for the following:

        a.   Phylum  ___________________________   b.  Order  _____________________________

21.   Cite (briefly) one distinctive characteristic organisms in the following classifications

        a.   Kingdom Monera:  ____________________________________________

        b.   Kingdom Fungi:  ____________________________________________

        c.   vascular plant:  ____________________________________________

        d.   lichen:  ____________________________________________

 

22.   Cite briefly) a distinctive structure or physiological feature for each of the following

        a.   gymnosperm:  ____________________________________________

        b.   monocotyledon:  ____________________________________________

        c.   arthropod:  ____________________________________________

        d.   protozoan - Paramecium:  ____________________________________________

23.   a.   Sketch one of the morphologies (shapes) exhibited by bacteria in the space below

 

        b.   Mycorrhizae are a tyoe if synbiotic relationship between a fungus and ________________________

24.   Give a distinctive characteristic for each of  the following

        a.   archaebacteria:  ____________________________________________

        b.   eubacteria:  ____________________________________________

        c.   molluscs:  ____________________________________________

        d.   amphibians:  ____________________________________________

25.   Correctly provide the scientific names for the following:

        a.   a bacterium:  ____________________________________________

        b.   a protozoan:  ____________________________________________

        c.   an angiosperm:  ____________________________________________

        d.   a vertebrate:  ____________________________________________

BONUS QUESTIONS - WORTH TWO POINTS EACH

1.   Name a 20th century Afro-American scientist and his/her contribution.

2.   To which Kingdom of life do you belong?

3.   For which African-American scientist is this auditorium named?  (Full name, please)

4.   Was the hypothesis proven or disproven in the scientific inquiry lab of (date)?

5.   What type of data was collected during the scientific inquiry lab?

6.   What is the name used for the stages of ecological succession?