Evolution What the Fossils Say and Why it Matters

Before Darwin Would it be too bold to imagine, that in the great length of time since the earth began to exist, perhaps millions ...

96 Evolution and the Fossil Record In addition to all these new facts from natural history, new attitudes were prevailing in the ...

The Evolution of Evolution 97 generated out of the mud. Once formed into sea jellies, life would be transformed and move up the ...

98 Evolution and the Fossil Record fell when biological research destroyed man’s supposedly privileged place in creation and pro ...

The Evolution of Evolution 99 Only 6 years after returning from the Beagle voyage, Darwin had written his first sketch of his ev ...

100 Evolution and the Fossil Record of the credit? For one thing, Darwin was the right man at the right time. In 1844, the idea ...

The Evolution of Evolution 101 still others completely agnostic as to what mechanism drove evolution. Although the fossil record ...

102 Evolution and the Fossil Record bad, preserving and adding up all that is good; silently and insensibly working.” Some even ...

The Evolution of Evolution 103 I well remember how the synthetic theory beguiled me with its unifying power when I was a graduat ...

104 Evolution and the Fossil Record laboratory mice could pass on their immunity directly to their offspring (Steele et al. 1998 ...

The Evolution of Evolution 105 uracil). As the DNA is transcribed by tRNA, it interprets each three-letter sequence as the code ...

106 Evolution and the Fossil Record interference. Although the molecular clock has had some great successes, mutation rates can ...

The Evolution of Evolution 107 We can see the importance of these regulatory genes when something goes wrong, and a bizarre atav ...

108 Evolution and the Fossil Record range of variation and into new body plans. These changes were due to slight changes in “con ...

The Evolution of Evolution 109 The most important recent development, however, has been the discovery of the master regulatory g ...

(B) FIGURE 4.5. Homeotic mutants show that big developmental changes can result from small genetic mutations, giving rise to dra ...

The Evolution of Evolution 111 change in the Hox genes can multiply the number of segments or reduce them and switch one appenda ...

112 Evolution and the Fossil Record Darwin’s proposed mechanism or by some other, yet to be discovered. . . . Scientists regard ...

The Evolution of Evolution 113 was Darwin’s evidence? Why does it demand an evolutionary explanation? How does cre- ationism fai ...

114 Evolution and the Fossil Record same basic building blocks in their anatomy but had modified those parts in remarkably dif- ...