What effect would this move have on the stability of this grassland preserve? a) the herbivorous animals would thrive and continue to live on the grassland for many generations. b) the herbivorous animals would also migrate to the national park, because ecosystems tend to maintain balance. c) the herbivorous animal populations would decline as they are now easy targets for hunters and other predators. d) the herbivorous animals would initially thrive, but eventual overgrazing would lead to starvation or migration.