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Across 3. A species with small number or one that has diminished. 6. species that is abundant but projected to become endangered 9. utilizing new habitats to maintain species diversity in places of work and play. 10. basically stands for the overall degradation of earth

Down 1. smallest number needed of a population to keep a species alive 2. Ecological and economic effects that are harmful due to introducing species into an ecosystem 4. The type of animal hunted for sport 5. species with very little survivors that may soon die out. 7. Certain way in which waterfowl migrate 8. life opposite from civilized.