What is fever and explain why it is considered to be a nonspecific immune response?

Body of an organisms have a range of the normal temperature that is maintained by the body by homeostasis. When the range of the body temperature rise above that range it it known as fever. The normal temperature of human body is normally 36-37 degree centigrade. Mild fever is not need any assistance to bring it back to normal range it is doe by the body to fight against infection or change takes place. Fever can be measured in mouth, rectum, and underarms.

It is considered as nonspecific response mechanism as it is take place due to different type of reasons and its affect or mechanisms is same for all, not specific as the cell mediated or antibody mediated responses of specific defense mechanism.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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