Dora works for the international union for conservation of nature. she and her team are involved in listing and delisting species as per their status under the red list of threatened species. according to their research, they find that the population of a certain species has declined by 45% over the last ten years. under what level should they list these species? a. least concern b. extinot c. endangered d. vulnerable

D. vulnerable

Explanation:

The Red List of Threatened Species of the International Union for the Conservation of Nature is the most comprehensive inventory of the global conservation statues of plant and animal species in the world. This list evaluates the risk of thousands of species and subspecies, making it an extremely valuable resource for scientists and environmentalists. This list is also the most authoritative guide to the status of biological diversity.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.