Levine started to sweat.
What had he done? In some bizarre corner of his mind, he wondered if he had imitated a mating cry. That was all he needed, to attract a randy dinosaur. Who knew how these animals behaved in mating? With growing anxiety, he watched them march forward. Probably, he should call Malcolm, and ask his advice. But as he thought about it, he realized that by imitating that cry he had interfered with the environment, introduced a new variable. He had done exactly what he had told Thorne he did not intend to do. It was thoughtless, of course. And surely not very important in the scheme of things. But Malcolm was certain to give him hell about it.
Levine lowered his binoculars and stared. A deep trumpeting sound reverberated through the air, so loud it hurt his ears. The ground began to shake, making the high hide sway back and forth precariously.
My God, he thought. They're coming right for me. He bent over, and with fumbling fingers, searched his backpack for the radio.
Problems of Evolution
In the trailer, Thorne took the rehydrated meals out of the microwave, and passed the plates around the little table. Everyone unwrapped them, and began to cat. Malcolm poked his fork into the food. "What is this stuff?"
"Herb-baked chicken breast," Thorne said.
Malcolm took a bite, and shook his head. "Isn't technology wonderful?" he said. "They manage to make it taste just like cardboard."
Malcolm looked at the two kids seated opposite him, who were eating energetically. Kelly glanced up at him, and gestured with her fork at the books strapped into a shelf beside the table. "One thing I don't understand."
"Only one?" Malcolm said.
"All this business about evolution," she said. "Darwin wrote his book a long time ago, right?"
"Darwin published the Origin of Species in 1859," Malcolm said.
"And by now, everybody believes it, isn't that right?"
"I think it's fair to say that every scientist in the world agrees that evolution is a feature of life on earth," Malcolm said. "And that we are descended from animal ancestors. Yes."
"Okay," Kelly said. "So, what's the big deal now?"
Malcolm smiled. "The big deal," he said, "is that everybody agrees evolution occurs, but nobody understands how it works. There are big problems with the theory. And more and more scientists are admitting it."
Malcolm pushed his plate away. "You have to track the theory," he said, "over a couple of hundred years. Start with Baron Georges Cuvier: the most famous anatomist in the world in his day, living in the intellectual center of the world, Paris. Around 1800, people began digging up old bones, and Cuvier realized that they belonged to animals no longer found on earth. That was a problem, because back in 1800, everybody believed that all the animal species ever created were still alive. The idea seemed reasonable because the earth was thought to be only a few thousand years old. And because God, who had created all the animals, would never let any of his creations become extinct. So extinction was agreed to be impossible. Cuvier agonized over these dug-up bones, but he finally concluded that God or no God, many animals had become extinct - as a result, he thought, of worldwide catastrophes, like Noah's flood."
"Okay…"
"So Cuvier reluctantly came to believe in extinction," Malcolm said, "but he never accepted evolution. In Cuvier's mind, evolution didn't occur. Some animals died and some survived, but none evolved. In his view, animals didn't change. Then along came Darwin, who said that animals did evolve, and that the dug-up bones were actually the extinct predecessors of living animals. The implications of Darwin's idea upset lots of people. They didn't like to think of God's creations changing, and they didn't like to think of monkeys in their family trees. It was embarrassing and offensive. The debate was fierce. But Darwin amassed a tremendous amount of factual data - he had made an overwhelming case. So gradually his idea of evolution was accepted by scientists, and by the world at large. But the question remained: how does evolution happen? For that, Darwin didn't have a good answer."
" Natural selection," Arby said.
"Yes, that was Darwin's explanation. The environment exerts pressure which favors certain animals, and they breed more often in subsequent generations, and that's how evolution occurs. But as many people realized, natural selection isn't really an explanation. It's just a definition: if an animal succeeds, it must have been selected for. But what in the animal is favored? And how does natural selection actually operate? Darwin had no idea. And neither did anybody else for another fifty years."