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<span>Duchenne Muscular Dystrophy (DMD) leads to progressively worsening physical disability. Death often occurs by age 25, typically from lung disorders. However, advances in supportive care have resulted in many men living much longer than this.Specific common causes of death include:
Cardiomyopathy (can also occur in female carriers, who should also be screened)
Congestive heart failure (rare)
Deformities
Heart arrhythmias (rare)
Mental impairment (varies, usually minimal)
Permanent, progressive disability, including decreased mobility and decreased ability to care for self
Pneumonia or other respiratory infections
Respiratory failure</span>
Scorpion does not belong to the group. Scorpions are part of
the class, arachnid. The Crayfish, the crabs and lobsters are part of the class
crustaceans. Crustaceans have five legs are normally found in the water.
Scorpions are terrestrial and are often found on land
Answer:
They had to eliminate allopatric speciation and subsequent dispersal as a hypothesis.
Explanation:
Allopatric speciation is produced by geographic speciation, thereby the genetic differences observed among organisms might be a consequence of this mechanism
. The rejection of this hypothesis may imply sympatric speciation
