Evolution What the Fossils Say and Why it Matters

The Evolution of Evolution 115 of their solutions resembles the wing of a pterodactyl (which is supported only by the bones of t ...

116 Evolution and the Fossil Record Vestigial Structure and Other Imperfections In chapter 2, we already alluded to the fact tha ...

Pelvis Femur Pelvis Femur Splint (rudiment of once-functional side toe) (A) One foot (C) http://www.ebook3000.com ...

118 Evolution and the Fossil Record evolutionary past and are adaptations to their developmental environment. Thus it is dan- ge ...

The Evolution of Evolution 119 If you had any doubts that you once had ancestors with fish-like gills and a tail, figure 4.11 sh ...

FIGURE 4.12. The evidence from biogeography. The native fauna of Australia consists mainly of pouched marsupials, which have con ...

The Evolution of Evolution 121 Africa has the ostrich, South America the rhea, Australia the cassowary and emu, and New Zealand ...

122 Evolution and the Fossil Record FIGURE 4.13. Although Darwin didn’t notice this while he was in the Galapagos, the majority ...

The Evolution of Evolution 123 survived, because they could crack the toughest seeds and survive the shortage of food. The next ...

FIGURE 4.14. Evolution has happened in some groups over just a few decades. In the swift currents of Cedar River, Washington, th ...

The Evolution of Evolution 125 In Loberg Lake, Alaska, the change took only a dozen years, or just six generations. Stickle- bac ...

126 Evolution and the Fossil Record drug we throw at them. When sulfonamides were introduced in the 1930s, resistant strains evo ...

The Evolution of Evolution 127 Mindell, D. P. 2006. The Evolving World: Evolution in Everyday Life. Cambridge, Mass.: Harvard Un ...

FIGURE 5.1. A parody of the classic “march from ape to man,” showing the cartoonist’s opinion of creationists. (Cartoon by Bill ...

5 Systematics and Evolution What Is Systematics? The extent to which progress in ecology depends upon identification and upon th ...

130 Evolution and the Fossil Record destroying habitat and wiping out the species on earth, but without enough systematists to i ...

Systematics and Evolution 131 underlined or italicized). For example, we belong to the genus Homo (Latin for “human”) and the tr ...

132 Evolution and the Fossil Record Ladders, Bushes, Mosaics, and “Missing Links” Evolution usually proceeds by speciation—the s ...

Systematics and Evolution 133 But life is not a ladder, and there are no such things as “higher” or “lower” organ- isms. Organis ...

134 Evolution and the Fossil Record Who sees with equal eye, as God of all The hero perish, a sparrow fall . . . Where, one step ...