❓ Câu hỏi According to the passage, which of the following best explains why secondary succession occurs more quickly than primary succession?
- A. Because secondary succession begins with pioneer species like lichens and mosses.
- B. Because secondary succession occurs in areas where soil and seed banks already exist.
- C. Because secondary succession is less affected by climate and disturbance intensity.
- D. Because secondary succession involves a wider variety of plant species.