Fungi have a vital position in the plants ecosystems, especially in the association to plants and soils as they exist on earth. ... In addition, most vascular plants could not grow with the symbiotic, fungi, or mycorrhizae, that inhabit their roots and supply essential nutrients. ... There was a standardized way of planting each of the five substrates and each substrate was placed in the exact same location, exposed to the same variants in temperature, lighting and humidity. ... Any contamination would have eliminated them from use prior to the planting. ... The milk substrate was the first...

• Word Count: 1700
• Approx Pages: 7
• Has Bibliography
• Grade Level: Undergraduate

This ability for organic systems to store energy is due to their highly complex physical characteristics that they do not share with inorganic systems. The developments of these characteristics do not inherently cause the organism to store energy, but they do enable that organism to store energy. ... This is due to a rather complex process that is unique to higher developed animals and plants. ... Theistic philosophers referred to these characteristics as "creative flashes". ... These new characteristics are enabling conditions of the development of rational thought. ...

• Word Count: 2370
• Approx Pages: 9
• Grade Level: Undergraduate

Evolution is the natural process through which organism have acquired their characteristics, structure and function. The past few centuries have witnessed a thorough inventory of the million or more species of plants and animals living today, as well as the thousands of extinct species. ... How can the many similarities and differences among plants and animals be explained? ...

• Word Count: 1854
• Approx Pages: 7
• Grade Level: High School

Drought diminishes supplies of easily cracked nuts but permits the survival of plants that produce larger, tougher nuts. ... Over time, their descendants will tend to increase, changing the average characteristics of the population. ...

• Word Count: 1289
• Approx Pages: 5
• Grade Level: Undergraduate