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Number 1. When soil formation begins from bare rock/bedrock

Correct Answer: Primary Succession

Number 2. The first organisms, such as lichen and small plants, that are 1st to inhabit an area and begin the process of soil formation

Correct Answer: Pioneer Species

Number 3. A mature community where the plant life is stable and succession has stopped

Correct Answer: Climax Community

Number 4. Soil found in the Northern Hemisphere and in some mountainous zones; it has ice in the subsoil and organic matter near the surface

Correct Answer: Gelisols

Number 5. Soils found in woodland areas that are very fertile and easy to farm because of their deep organic matter

Correct Answer: Alfisols

Number 6. Soils that are not very fertile and develop from the accumulation of organic matter in water-saturated flat lands or cold, humid conditions

Correct Answer: Histosols

Number 7. Young soils that are just beginning to develop a soil profile and are located in flood plains

Correct Answer: Inceptisols

Number 8. Prairie soils that are mature, well drained fertile soils that are easy to cultivate

Correct Answer: Mollisols

Number 9. Soils formed from volcanic deposits that retain water and are very fertile

Correct Answer: Andisols

Number 10. Soils found in hot dry climates that have very little organic matter and support sparse vegetation

Correct Answer: Aridisols

Number 11. “Swelling” soils that are found in areas that experience wet and dry seasons and do not support building structures on them because of the seasonal shrinking and swelling

Correct Answer: Vertisols

Number 12. Soils that have a dark B horizon, form over a long period of time, and are found mostly in humid regions

Correct Answer: Ultisols

Number 13. Coarse textured soils found in cool, wet forest regions that have organic matter found in lower soil areas

Correct Answer: Spodosols

Number 14. Young soils that lack distinct layers and are often found in river flood plains where transported sediment is deposited

Correct Answer: Entisols

Number 15. Soils found in the humid climates of South America and Africa that are deep and lack developed horizons

Correct Answer: Oxisols