The pathogen is defined as a biological agent that causes disease. The number and types of pathogens that affect garden plants, can instill a constant fear. They include almost all of the biological spectrum. Their action may be temporary as in the case of biting insects, or permanent, as in viral infection. The human body is a favorable environment for the functioning and reproduction of pathogenic organisms, which include viruses, bacteria, protozoa pathogens, and others. Most of them can not survive for long outside the human body, but it is a short period of time is sufficient for entering them into the body of a new host .
Among the implications of defective collagen fibers is the deterioration of the skin cells. It gets flaky, inflamed, and more prone to sun damage. A lot of times, collagen deficiency disorders are called Joint Disorders because joint mobility depends on the function of these collagen fibers. It can even cause heart diseases by contributing to its arterial behavior and its capacity for relaxation
Answer:
The CELL THEORY, or cell doctrine, states that all organisms are composed of similar units of organization, called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology. The idea predates other great paradigms of biology including Darwin's theory of evolution (1859), Mendel's laws of inheritance (1865), and the establishment of comparative biochemistry (1940).
Ultrastructural research and modern molecular biology have added many tenets to the cell theory, but it remains as the preeminent theory of biology. The Cell Theory is to Biology as Atomic Theory is to Physics.
Answer:
Habituation.
Explanation:
Habituation may be defined as a type of non associative learning. This type of learning reduces the innate response of an individual towards the repeated or prolonged time of the stimulation.
The frog first respond to the tree branches swaying in the wind. After some time the frog does not respond because of the prolonged or repeated stimulus of the environment. Hence, frog shows the lack of response due to habituation.