[Coyoteman]

I challenge you to recite one instance where it can be proven scientifically, (Observed) that any species has ever become another species trough evolution.

Which is it, "proved scientifically" or "observed?" Or did you mean "proved" as a layman might use the term?

If you truly meant "proved scientifically" then here is an answer to your challenge:

Source: http://wwwrses.anu.edu.au/environment/eePages/eeDating/HumanEvol_info.html

But if you meant "proved" as a layman might use the term, or "observed" as in "I won't believe it if I didn't stand there myself and watch it happen and probably not even then," well happy strawman to you!

[b_sharp]

You got them strange things down there too? Darn!

[Elsie]

 

I'll see your jawbone and raise you a skull fragment!

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Mammal-Like Reptiles

As previously stated, a succession of transitional fossils exists that link reptiles (Class Reptilia) and mammals (Class Mammalia). These particular reptiles are classifie as Subclass Synapsida. Presently, this is the best example of th e transformation of one major higher taxon into another. The morphologic changes that took place are well documented by fossils, beginning with animals essentially 100% reptilian and resulting in animals essentially 100% mammalian. Therefore, I have chosen this as the example to summarize in more detail (Table 1, Fig. 1).  

M. Eyes =           ?           Nose =           ?        Teeth incisors = ?       K. Eyes =           ?           Nose =           pointy    Teeth incisors = small       J. Eyes =           Medium    Nose =           stubby        Teeth incisors = BIG       I. Eyes =           Medium    Nose =           less stubby    Teeth incisors = big       H. Eyes =           smaller    Nose =           more blunt    Teeth incisors = smaller         G. Eyes =           SMALL    Nose =           Pointer    Teeth incisors = Skinny           F. Eyes =           BIG    Nose =           Blunt    Teeth incisors = Thin         E. Eyes =           HUGE!    Nose =           pointy, again    Teeth incisors = Bigger         D. Eyes =           Smaller    Nose =           Getting wider    Teeth incisors = Bigger: two!         C. Eyes =           Huge, again!    Nose =           broader    Teeth incisors = very small         B. Eyes =           less huge    Nose =           less broad    Teeth incisors = ??         A. Eyes =           bigger again    Nose =           rounded    Teeth incisors = small

Skulls and jaws of synapsid reptiles and mammals; left column side view of skull; center column top view of skull; right column side view of lower jaw. Hylonomus modified from Carroll (1964, Figs. 2,6; 1968, Figs. 10-2, 10-5; note that Hylonomus is a protorothyrod, not a synapsid). Archaeothyris modified from Reisz (1972, Fig. 2). Haptodus modified from Currie (1977, Figs, 1a, 1b; 1979, Figs. 5a, 5b). Sphenacodo n modified from Romer & Price (1940, Fig. 4f), Allin (1975, p. 3, Fig. 16);note: Dimetrodon substituted for top view; modified from Romer & Price, 1940, pl. 10. Biarmosuchus modified from Ivakhnenko et al. (1997, pl. 65, Figs. 1a, 1B, 2); Alin & Hopson (1992; Fig. 28.4c); Sigogneau & Tchudinov (1972, Figs. 1, 15). Eoarctops modified from Broom (1932, Fig. 35a); Boonstra (1969, Fig. 18). Pristerognathus modified from Broom (1932, Figs 17a, b,c); Boonstra (1963, Fig. 5d). Procynosuchus modified from Allin & Hopson (1992, Fig. 28.4e); Hopson (1987, Fig. 5c); Brink (1963, Fig. 10a); Kemp (1979, Fig. 1); Allin (1975, p. 3, Fig. 14). Thrinaxodon modified from Allin & Hopson (1992, Fig. 28.4f);Parrington (1946, Fig. 1); Allin (1975, p. 3, Fig. 13). Probainognathus modified from Allin & Hopson (1992, Fig. 28.4g); Romer (1970, Fig. 1); Allin (1975, p. 3, Fig. 12). Morga nucodon modified from Kermack, Mussett, & Rigney (1981, Figs. 95, 99a; 1973, Fig. 7a); Allin (1975, p. 3, Fig. 11). Asioryctes modified from Carroll (1988, Fig. 20-3b). Abbreviations: ag = angular; ar = articular; cp = coronoid process; d = dentary; f = lateral temporal fenestra; j = jugal; mm = attachment site for mammalian jaw muscles; o = eye socket; po = post orbital; q = quadrate; rl = reflected lamina; sq = squamosal; ty = tympanic. .

 

 

 

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Are you convinced yet?

 

Oscillating eye sizes,

head shapes that shift back and forth,

teeth that are large, then small, then large again.

 

Yeah; I believe this stuff!

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(The chart is from The Fossil Record: Evolution or "Scientific Creation" by Clifford A. Cuffey. It is on part 5 of a multipart article. The beginning of the article is here.  )