Answer:
The correct answer is a. Restoration ecology
Step-by-step explanation:
Restoration ecology was coined by John Aber and William Jordan in late 1980. Restoration ecology is the study of rehabilitation, recreation, restoration of a degraded and destroyed ecosystem. This restoration is achieved by human intervention.
The different projects in this study included many different points like removal of non-native species, control of erosion, reforestation, re-vegetation, rehabilitation of native plants and animal species, etc.
Restoration ecology is important to control rapid environmental change and extinction of ecologically important species. So the right answer is a.