Leg Pain Symptoms & Signs. Related. Symptoms & Signs. Pain in the legs can occur as a result of conditions that affect bones, joints, muscles, tendons, ligaments, blood vessels, nerves, or skin. Leg pain can occur in the foot, ankle, knee, behind the knee, thigh, down the back of the leg, or in any part of the leg.
Taxonomy is the science of classifying and defining all organisms. This comes from Ancient Greek taxis (meaning arrangement) and nomia (meaning method). The way taxonomy goes is: domain #-># kingdom #-># phylum #-># class #-># order #-># family #-># genus #-># species.
How Scientist Classify Today How do scientists know to which groups an organism belongs? They look at many traits. They compare the traits of one organism with those of another. Scientists also compare organism living today with those that lived long ago. Letâs look at how scientists classify living things. Classifying based on how organism are related Living things that are closely related are in many of the same classification groups. For example, if two plants are closely related, they will be in almost all of the same groups. If they are not closely related, they will not be in very many of the same groups.