Adding grass to places such as hay fields, golf courses and highway shoulders serves many purposes. First, the grass adds to the aesthetic appeal of the area, making it more pleasant to look at. The grass also helps prevent soil erosion by keeping the soil in place. In golf courses, the grass is important in making the golf ball roll properly for optimal playing experience. Another important role of the grass, regardless of location, is the addition of water to the atmosphere through transpiration. This yields to more rains and a better climate of the region.
<span>1. The resources that are used by an organism
2. The abiotic factors that restrict how it can survive
3. The biotic relationships that it has with other species.</span>
Answer:
A tree will get wider by the secondary growth of the cells. This happens when the cell growth of the cambia or lateral meristems causes them to elongate and become primary tissue.
The site below gives a detailed description of secondary growth.
https://www.arborday.org/trees/RingsTreeNatomy.cfm
Answer:
An unconditioned response.
Explanation:
Pavlov was the process of studying salivation in dogs as a part of a research program on chewing and digestion. This is known as a normal reflex that is under personal choice or control and also called an unlearned evolutionary response.
In terms of Pavlov's analysis of learning, Pavlov built a device that would help to accurately measure the amount of saliva produced by dogs. In the case of Pavlov dogs, the food is called as the stimulus and salivation is called as a response.