Mostly swelling. Their venom isn't lethal, but if the swelling does not go down with an ice pack and/or she's feeling feverish or not well in general, see a doctor.
death
A and B
Well the Elf Owl doesn't get stung.
Anyone that is allergic to bee venom will need immediate medical attention if they are stung by a bee. People that notice symptoms such as difficulty breathing, large amounts of swelling, nausea, or other such symptoms will need to seek immediate medical attention when they are stung by a bee.
Not all people who are stung by insects develop systemic symptoms of anaphylaxis. This is an allergic condition and different people react in different ways to allergic conditions.
both a and b
Both A and B
Both A and B.
Birds are able to eat wasps without getting stung because they crush the stinger with their beak. They do this before the wasp has a chance to sting them.
protect the clownfish from getting stung by anemones
Sea anemone
Redness, itching, burning, stinging sensation, numbness if severe.