Answer:
Lichen colonization of a rock field exposed by a retreating glacier(Primary Succession)
Explanation:
some examples of secondary succession:-Fire, hurricane, tornado
,Human disturbances: logging, mining, farming
- Changes that occur in an existing area
- Soil was already present
- -Rapid growth
People with two copies of the sickle cell gene have the disease. People who carry only one copy of the sickle cell gene do not have the disease, but may pass the gene on to their children. Abnormal hemoglobin, called hemoglobin S, causes sickle cell disease (SCD). The problem in hemoglobin S is caused by a small defect in the gene that directs the production of the beta globin part of hemoglobin. This small defect in the beta globin gene causes a problem in the beta globin part of hemoglobin, changing the way that hemoglobin works.
Answer:
1.Take all of your medicines as they're prescribed, until your doctor takes you off them.
2.Keep all your doctor appointments.
3.Always cover your mouth with a tissue when you cough or sneeze. ...
4.Wash your hands after coughing or sneezing.
5.Don't visit other people and don't invite them to visit you.
Isn't that where you turn the DNA into RNA?