1) Where would you find a forest that is protected by law to preserve the ecosystem? a) succession b) National Park c) reclamation 2) Protecting an area of land or water is called? a) conservation b) succession c) preservation 3) If a fire destroys a forest, new plants will grow. This process is called? a) succession b) reuse c) recycle 4) If an erupting volcano kills all nearby plants, the first living organisms to establish themselves will probably be? a) trees b) lichens and mosses c) rocks 5) Careful management and wise use of natural resources is called? a) preservation b) reclamation c) conservation 6) When the bodies of dead animals decompose, they usually? a) add nutrients to the soil b) take away nutrients from the soil c) reclamation 7) The process that gradually changes in existing ecosystem into another ecosystem is called? a) preservation b) reclamation c) succession 8) Repair of some of damage done to an ecosystem is called? a) reclamation b) preservation c) conservation 9) Find the statement about forests that is NOT true? a) They provide a habitat for many organisms. b) They are a valuable resource. c) They release nutrients into the air. d) They release oxygen in the air. 10) A new carpet pad made from scraps of old carpets is an example of- a) repairing b) reducing c) revising d) recycling 11) Which of the following words describes this picture? a) reduce b) reuse c) recycle 12) Which of the following words describes this picture? a) reduce b) reuse c) recycle 13) Which of the following words describes this picture? a) reduce b) reuse c) recycle

Ecosystem

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？