Soil is important to humans because it provides much of the food consumed by people. It supports the growth of agricultural crops. Soil is also responsible for maintaining natural and artificial vegetation. Soil supports foundations of buildings, roads and communication infrastructures.
Soil is the upper layer of the earth on which plants grow. It is generally a black or dark-brown material that essentially contains a combination of various organic particles, clay and rock components. Soil is one of the three principal natural resources; the other two are air and water. Soil is regarded as life and the pillar of agriculture because it is the medium onto which most plants grow. Organisms found in the soil, such as worms, beetles, bacteria and fungi, obtain food from the soil.
Trees meant for commercial purposes are also grown in soil. The growth of forests, grasslands and many tree species that maintain the vegetation is supported by soil. Trees help in maintaining the landscape. Soil plays a vital role in the distribution of water, as well as its quality. The quality of topsoil determines whether the rainwater runs off or if it's absorbed to supplement surface waterbodies, such as lakes and rivers. Soil controls pollution because of its absorption properties.Learn More
Microbe World indicates that fungi absorb food from their immediate surroundings directly through their cell walls unlike animals, which eat food, and plants, which produce their own food through the process of photosynthesis. Kew Gardens adds that fungi function like an inside-out version of an animal's stomach. Instead of eating food and digesting it internally, fungi first dissolve food into simpler nutrients and then absorb the food after they digest it.Full Answer >
A transport vesicle temporarily stores and transports a variety of substances, including enzymes and waste products. These materials are collectively known as cargo, according to Alberts et al. in the fourth edition of "Molecular Biology of the Cell," which is available on the National Center for Biotechnology Information website.Full Answer >
According to HowStuffWorks, glucose enters the bloodstream through the intestinal lining. Only two carbohydrates other than glucose are directly absorbed into the bloodstream by this means: fructose and galactose. These three carbohydrates are known as monosaccharides.Full Answer >
Hypertrophic bone spurs, or osteophytes, are smooth growths on the vertebrae that occur with aging and spinal degeneration, according to Spine-Health. Bone spurs are a natural occurrence in most people over the age of 60 and do not cause pain unless they interfere with other spinal structures.Full Answer >