第四章单元测试
- What is the purpose of ecological restoration?（ ）
- What is the first stage of ecological restoration?（ ）
- What is phytodegradation?（ ）
- Which habitats are most critical for restoring ecology?（ ）
- How long does ecological restoration take?（ ）
A:To replenish natural services provided by degraded ecosystems. B:To create new ecosystems. C:To destroy ecosystems that have been degraded. D:To prevent further loss of biodiversity.
答案:To replenish natural services provided by degraded ecosystems.
A:Rehabilitating substrates B:Assessing the site C:Formulating project goals D:Removing sources of disturbance
答案:Assessing the site
A:The use of plants or microorganisms to degrade organic pollutants in the soil or within the body of the plant. B:The use of plants to remove contaminants from soil or water into harvestable plant biomass. C:The reduction of mobility of substances in the environment by limiting the leaching of substances from the soil. D:The enhancement of soil microbial activity for the degradation of organic contaminants.
答案:The use of plants or microorganisms to degrade organic pollutants in the soil or within the body of the plant.
A:Coral reefs. B:Coastal wetlands. C:Temperate forests. D:Biodiversity hotspots.
答案:Temperate forests.
A:It takes a few years for full recovery of the ecosystem. B:It takes years, decades, or even hundreds of years for full recovery of the ecosystem. C:It takes thousands of years for full recovery of the ecosystem. D:It takes only a few months for full recovery of the ecosystem.
答案:It takes years, decades, or even hundreds of years for full recovery of the ecosystem.
