Describe how a dichotomous key is used.

Dna is colied into chromosomes in a cell

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

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots