evolutionary lineage are groups of organisms that share a common ancestor not shared by other groups. taxa A branch point represents a(n) from which two different lineages diverged. A branch sister taxa point may also be called a(n) node Each branch represents a(n) common ancestor The branch tips represent groups of organisms, known as

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Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.