GRE Reading Comprehension: OG/PP2-GRE阅读OG/PP2 - FJ0714MDSD1XU3GLP

It can be inferred from the passage that in animals less intelligent than the mammals discussed in the passage A. past experience is less helpful in ensuring survival B. attention is more highly focused C. muscular coordination is less highly developed D. there is less need for competition among species E. environment is more important in establishing the proper ratio of prey to predator