Snails and Slugs learn more about names for this taxon. Scientists aim to describe a single 'tree of life' that reflects the evolutionary relationships of living things. However, evolutionary relationships are a matter of ongoing discovery, and there are different opinions about how living things should be grouped and named. EOL reflects these differences by supporting several different scientific 'classifications'. Some species have been named more than once.
Causes of Ear bleeding that are uncommon. The following causes of Ear bleeding are diseases or conditions that affect more than 200,000 people, but less than 1 million people in the USA: 1  Face fracture - Bleeding from the ear.  more causes...Â».
Because it is so thin, the eardrum can be ruptured or perforated, exposing the ear to damage or infection. The main causes of perforated eardrum are infection of the middle ear or trauma to the ear or head. Symptoms and signs of perforated eardrum include. ear pain, vertigo or dizziness, hearing changes or hearing loss, ringing in your ears (tinnitus), or. fluid or blood draining from the ear.