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
It is safest to stay at least 15-20 feet away from a wasp nest to avoid getting stung. Approaching closer can increase the risk of provoking the wasps and getting stung.
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