In a comparison of birds and mammals, having four appendages is <span>a shared ancestral character</span>
Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population.
Explanation:
The two types of endoscopic/arthroscopic procedure found in the CPT coding manual are DIAGNOSTIC AND SURGICAL SCOPE.
The diagnostic procedure involves medical examination without surgery while the surgical scope involves cutting of the patient's body.<span />
