An endangered species
a) may soon become extinct over all or most of its range
b) may eventually become threatened or rare
c) may be considered economically important but rare
d) is one that is evolving into another species
e) is one that may become rare in the next 100 years

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an