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capstone 3

A. The type of soil is loam because the ribbon length is less than 2.5cm.

B. I think water moves by gravity flows through open pores between soil and particles. Water flows fast because loam has very large pores. Due to the fact water flow fast through loam, plants in the loam would easily get nutrients from air and environment.

C. Grass are showed in the picture. I also saw earthworm and ants in the soil.

D. According to the article, "How earthworms can help your soil," the author states earthworms can improved nutrient availability for soil and improved soil structure.

E. The environment I choosed is golden gate park. Therefore, the soil is not eroded. They are not lack of water.

F. Soil is very important factor in an environment . The quality of soil in the environement stands for the quality of this environment. In addition, the quality lives of organisms under the soil also need good quality of soil.

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Uploaded on April 14, 2012
Taken on April 13, 2012