Succession Quiz
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5 questions, one answer each
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1. Which of the following is a pioneer species?
- A. Oak
- B. Lichen on bare rock
- C. Beech
- D. Bluebell
2. Why do mosses colonise only after lichens have grown on a bare rock?
- A. Lichens have produced a thin soil that holds water
- B. Lichens kill mosses
- C. Mosses need more light
- D. Mosses are pioneers too
3. A later stage in succession can make conditions less suitable for earlier species because:
- A. Earlier species move away
- B. Taller plants shade them and outcompete them
- C. Pioneer species are too small to be seen
- D. Soil becomes less deep
4. The final stable community in a succession is called the:
- A. Pioneer community
- B. Seral community
- C. Founder community
- D. Climax community
5. Which change is usual during primary succession on bare rock?
- A. Soil depth and organic matter increase
- B. Soil depth decreases
- C. Biodiversity falls at first
- D. Light at ground level increases throughout