<span>A. No learning is necessary. In order for a behavior to be called innate, the action must be instinctively done towards a defined stimulus</span> without previous experience or practice. An example of innate behaviors is a young kangaroo (joey) climbing into its mother's pouch right after it was born.
Answer: Contour
Explanation: <u><em>Hope this helps</em></u>
<u><em /></u>
rRNA is a component of ribosomes. Its name is ribosomal RNA
1. Having a sickle cell anemia crisis is a severe condition of reduced red blood cell count.
2. Having sickled red blood cells lead to the symptoms like having pain in the chest and the throbbing of her leg.
3. A person having sickle cell anemia is mostly tired due to reduction in red blood cells, so they cannot do any work with their bodies. There would difference in the personal appearances like yellow eye and skin looks pale and the skeletal system become weak too. There is trouble with breath too.
4. The symptoms are as follows like the patient fall in to anemia condition, urine is dark in color, eyes are yellow, and person looks pale and the body experiences frequent pain and delay in the body growth.
5. Hydroxyurea is the medication used here. The pros of this are the frequent body pains reduces and reduction in need of blood transfusion. the cons are increase of infection and this particular drug may cause tumors and leukemia.
