The most important reason they are considered non living is because they cannot live and reproduce without the help of a host cell.
The correct answer that would best complete the given statement above would be the term SENSORY. <span>The afferent division of the nervous system is also known as the sensory division. When we say afferent, this is when the stimuli or the signal comes from the outside and then this is processed going to the brain. Afferent means UP. Hope this answer helps.</span>
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Immunity to a disease is achieved through the presence of antibodies to that disease in a person's system. Antibodies are proteins produced by the body to neutralize or destroy toxins or disease-carrying organisms. Antibodies are disease-specific. Viruses make us sick by killing cells or disrupting cell function. Our bodies often respond with fever (heat inactivates many viruses), the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system's antibodies and other cells to target the invader. A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.
These molecules are called antigens, and they are present on all viruses and bacteria.
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it should be important because Energy needs to be transferred through an ecosystem to support life at each trophic leve.. hope this helps
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