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Across 2. Wild A wild species that is still abundant in its natural range but is likely to become endangered because of a decline in numbers. (2 Words) 5. Harmful ecological and economic effects from the presence of accidentally or deliberately introduced species into ecosystems. (2 Words) 7. A wild species with so few individual survivors that the species could soon become extinct in all or most of its natural range. (2 Words) 8. A species that has naturally small numbers of individuals (2 Words) 9. All free, undomesticated species. 10. Generally fixed route along which waterfowl migrate from one area to another at certain seasons of the year.

Down 1. The science of inventing, establishing, and maintaining new habitats to conserve species diversity in places where people live, work, or play. (2 Words) 3. Value of an organism, species, ecosystem, or the earth's biodiversity based on its usefulness to us. (2 Words) 4. Acronym for habitat destruction and fragmentation, invasive species, population growth, pollution, and overharvesting. 6. Type of wild animal that people hunt or fish for, for sport and recreation and sometimes for food. (2 Words)