Biology Now, 2e

1 2 3 4 5 42.2 ̊C 37 ̊C Assessment available in Scientists grow 115 separate, genetically identical populations of E. coli at a ...

Whale Hunting ■ 207 a number of genes relatively late in embryonic development (Figure 11.16). The loss of hind limbs in the emb ...

208 ■ CHAPTER 11 Evidence for Evolution ● (^) Biogeography uses knowledge about evolution and plate tectonics to make prediction ...

Whale Hunting ■ 209 (^11) Which of the following is not an example of artificial selection? (a) Your younger sibling got a hamst ...

Battling Resistance An antibiotic-resistant superbug is evolving to overcome our drugs of last defense. How do we beat a champio ...

211 EVOLUTION 12 CHAPTER MECHANISMS OF EVOLUTION ...

212 ■ CHAPTER 12 Mechanisms of Evolution EVOLUTION D awn Sievert vividly remembers June 14, 2002—the day disaster struck. Siever ...

Battling Resistance ■ 213 control any potential for panic,” says Sievert. Her team asked the local lab to run its own test again ...

214 ■ CHAPTER 12 Mechanisms of Evolution EVOLUTION who had come in contact with her, and then waited anxiously to see whether th ...

Battling Resistance ■ 215 to emerge, says Gilmore. He knew that once vancomycin was widely used to kill staph, the microbe popul ...

216 ■ CHAPTER 12 Mechanisms of Evolution EVOLUTION and produce more offspring than do individuals with other forms of that trait ...

Battling Resistance ■ 217 Predatory bird Predatory bird Predatory bird Before the industrial revolution of the nineteenth centur ...

218 ■ CHAPTER 12 Mechanisms of Evolution EVOLUTION another example, sharks and dolphins are only distantly related (sharks are f ...

Battling Resistance ■ 219 only means by which new alleles are generated. DNA mutations create new alleles at random, thereby pro ...

220 ■ CHAPTER 12 Mechanisms of Evolution EVOLUTION These three plants evolved from very distantly related plants via natural sel ...

Battling Resistance ■ 221 The same does not hold true for bacteria, which are single cells and reproduce via asexual reproductio ...

222 ■ CHAPTER 12 Mechanisms of Evolution EVOLUTION cluster 5 strains that was leading to this vanco- mycin resistance bubbling u ...

Battling Resistance ■ 223 the human immune system. These proteins could make it easier for staph and other bacte- ria to grow in ...

224 ■ CHAPTER 12 Mechanisms of Evolution EVOLUTION population. Just by chance, some individuals in a generation may leave behind ...

Battling Resistance ■ 225 of the members of this rebounded population are incredibly similar genetically, because of the limited ...