Open Question: Wilderness Survival??? Please HELP***?

I'm working on my Wilderness Survival merit badge and there reqs saying:

1) Explain how to protect yourself from bears in a wilderness
2) Explain why it usually is not wise to eat edible plants or wildlife in a wilderness survival situation

So those are the 2 question i have. Please answer them... i'd really appreciate it. thanks in advance :D

Source:
http://answers.yahoo.com/question/index?qid=20110921054909AAbCchM

hiking checklist pa state parks camping stores camping stores camping world locations