21. A greenhouse is filled with exotic species from humid rain forests and cool mountains. 22. And the Jamaican players are being examined in the media as an exotic species . 23. The introduction of exotic species may be a serious problem. 24. Unfortunately, eliminating exotic species once they are established is a daunting, often costly, task. 25. Federal legislation to address the exotic species problem is pending. 26. Wildlife dealers fretted about the traditional Chinese market for exotic species as culinary delicacies. 27. For hunters, the threat goes far beyond exotic species of deer, sheep and antelope. 28. And generally, ecologists say, exotic species tend to upset the equilibrium of an ecosystem. 29. In the New World, exotic species are those introduced after the first European contact. 30. Throughout the Great Western Woodlands there are both native and exotic species of weeds.
