Examples Of Natural Selection. Natural selection can be defined as a process where the organism that is able to survive will pass on the beneficial traits to its offsprings because these traits are the best suited for the environment. When the offsprings are able to survive successfully, they increase in numbers.
Pink eye, also known as conjunctivitis, is an inflammation of the membrane that lines the eye and the inside of the eyelids. Pink eye can be caused by an allergy or it can be a bacterial or viral infection.articularly for allergic conjunctivitis, you may need eye drops which contain antihistamines. These can be found over the counter or they can be prescribed by your doctor. Antihistamines will reduce the swelling that is your body's natural reaction to the virus, bacteria, or allergen.
Viral conjunctivitis can be caused by the following viruses, with adenoviruses being one of the most common causes: 1  Adenoviruses. 2  Rubella virus. 3  Rubeola (measles) virus.  Herpesviruses, including Herpes simplex virus. Varicella-zoster virus, which also causes chickenpox and shingles.