Chapter 7

 

SUBSTITUTING MORE ACCURATE WORDS OR PHRASES FOR

                                      “EVOLUTION”

 

 

At least 94 more specific terms and phrases can be substituted for the e-word.

 

 

If, in a biology textbook, words or phrases from the following list were substituted for “evolution”, “evolutionary”, and “evolve”, then the meaning of any sentence using them would become more precise:

EVOLUTION (as a noun):

 

1.     change

2.     change of living forms

3.     change over time

4.     changes

5.     changes over time

6.     gene pool change

7.     change in the gene pool of a species

8.     species change

9.     species change mechanism

10.            change over time

11.            species change over time

12.            change in inherited traits

13.            change in degree of adaptation

14.            change in organism diversity

15.            change in allele frequency

16.            change in form, from less complex to more complex

17.            change by mutation

18.            change by natural selection

19.            change by random variation and natural selection

20.            change by genetic drift

21.            these changes

22.            changes in

23.            emergence

24.            history of life

25.            history of living forms

26.            history of the appearance of life on earth

27.            emerging history

28.            emerging history of life

29.            appearance

30.            appearance of life

31.            appearance of living forms

32.            historical appearance

33.            development

34.            development of life

35.            origin and development of life

36.            development of living forms

37.            development over time

38.            developmental history

39.            developmental history of life

40.            developmental progress

41.            developmental progression

42.            common descent

43.            universal common descent

44.            limited common descent

45.            descent with modification

46.            origin

47.            origin of living forms

48.            origin of new forms of life

49.            origin of new properties of living forms

50.            origin and emergence of life

51.            origin and appearance of life

52.            sequence of the origin of each living form

53.            coming into existence

54.            origin of species

55.            origin of new species

56.            transmutation of species

57.            speciation

58.            species change

59.            species origination and change

60.            an unguided process by which all life developed

61.            an unbalance in the Hardy-Weinberg equilibrium

62.            genomic recombination

 

EVOLVING, or EVOLUTIONARY (as an adjective):

 

63.             developing

64.             arising

65.             emerging

66.             appearing

67.             originating

68.             coming into existence

69.             developmental

70.             genetic and/or environmental

71.             environmental

72.             historical

 

EVOLUTIONARY HISTORY OF

 

73. history of changes in

 

TO EVOLVE (as a verb):

 

74.             to show more rapid changes   (more rapid changes shown)

75.             to show changes over time     (changes shown over time)

76.             to develop                               (developed)

77.             to develop over time               (developed over time)

78.             to arise                                    (arose)

79.             to arise over time                    (arose over time)

80.             to emerge                                (emerged)

81.             to emerge over time                (emerged over time)

82.             to appear                                 (appeared)

83.             to appear after                         (appeared after)

84.             to appear over time                 (appeared over time)

85.             to originate                              (originated)

86.             to come into being                  (came into being)

87.             to come into existence            (came into existence)

88.             species to emerge                    (species emerged)

89.             species to appear                     (species appeared)

90.             new species to appear             (new species appeared)

91.             to change                                (changed)

92.             to change over time                (changed over time)

93.             to change adaptively            (adaptively changed)

          94.  to show changes                  (changes shown, showed changes)

 

It is helpful to show how the meaning of the California State Science Framework could be made clearer.

 

 

          A good example to begin with is the California Department of Education Science Framework, Grades Nine Through Twelve –Biology/Life Sciences.  The evolution portion is sections 7 and 8.  It is titled “Evolution”, but could be more specifically titled: “History of the appearance of life on earth”.  Section 7 does not use the word, “evolution”, but has six subsections that deal with natural selection, alleles, mutation, variation, and the Hardy-Weinberg equilibrium.

          Section 8 is titled with the sentence:  “Evolution is the result of genetic changes that occur in constantly changing environments.”  This title sentence of section 8 could better have been written “Changes in life forms can occur as genetic changes occur in constantly changing environments.”  The problem with the actual framework sentence is that the meaning of the word “evolution” is insufficiently precise –it could be taken to have any of the meanings in definitions A-E, (remembering that definitions D and E have troublesome philosophical implications).  Scientific communication should be written in such a manner as to minimize the possibility of confusion in the mind of the reader.  This is especially true if that reader is a high school student, and if the confusion involves confusing science with philosophy.

          Section 8 begins with five subsections that are concerned with differential survival, diversity of species, genetic drift, geographic isolation, and fossil evidence.  Those five subsections do not use the word “evolution”.

          However, subsection 8(f) ends with a phrase “…. to create a branching diagram (cladogram) that shows probable evolutionary relationships.”  As it stands, the use of the word “evolutionary” in this sentence, could be interpreted by the reader to have any of the meanings in definitions B, C, or D.  The use of the word “probable” in that sentence is very significant.  It allows a student who believes in creation by an intelligent designer to appreciate the speculative nature of any such diagram.  “Evolutionary relationships” in diagrams of this type indicate only the degree of genetic or structural similarity in different organisms as they appeared on earth in a historical sequence.  To use such branching “cladograms” to convince anyone that processes which brought life on this planet into existence were unguided (or undesigned) would be quite misleading.  To do so would be to stray far beyond the legitimate boundary of science.  Instead of “probable evolutionary relationships”, “possible developmental sequences” could be used with far less confusion of meaning.

          Subsection 8(g) ends with “… can help to estimate how long ago various groups of organisms diverged evolutionarily from one to another.”  In this case, the meaning of the word “evolutionarily” could again be taken to have the meaning of any of the five definitions cited earlier.  This sentence could better have ended with “…can help to estimate how long ago various groups of organisms first appeared.”  Since it will never be possible to completely investigate the entire fossil record over the entire surface of the earth, any student who wishes to believe that a creator used guided processes of some kind to bring life as we know it into existence can do so.

 

Suppose a modern biology text were written without using the e-word word at all.

 

 

Let us suppose that a modern high school biology textbook were written without ever using the words “evolution”, “evolutionary”, or “evolve”.  For the moment, ignore the screams of outrage that would come from evolutionists.  If such a text were written, to what extent would it defuse the “minefield” that evolution has become in the minds of most creationists?  Remembering the percentage of (non-evolutionary) creationist students that sit in the average public high school biology classroom,  who are more likely to suffer, creationist students or non-creationist students?  How many non-creationist students would scream “foul” if their textbook didn’t ever use the word, “evolution”, but was somehow still entirely faithful to the best scientific evidence and credible hypotheses involved in dealing with the history of life on earth?

To test this idea (which would probably be considered absurd by a majority of U.S. biology teachers), I carefully scrutinized a high school biology textbook used in the Los Angeles Unified School District.  I found the words, “evolution”, “evolutionary”, “evolve”, or “evolved” used exactly 150 times on 38 pages of text.  After making a list of 102 more precise synonyms and “synonymic phrases”, I discovered that I could replace the “e-word” with a more precise word or phrase 110 times.  (The remaining 40 usages could not be substituted because they were in sentences such as “Today, almost all scientists accept that evolution is the basis for the diversity of life on Earth.”)  I do not believe that substituting more precise words and phrases for an equivocal word would decrease the scientific quality of the writing.  If anything, I felt that the precision of the communication process was improved in the 110 instances in which the “e-word” was replaced.  Equivocal words can always be replaced by other words or phrases that convey a more precise meaning in a scientific context.