You need to find food immediately.
Your body can sure enough survive on your body's fat reserves during weeks. However, you are likely to die of numerous other causes such as injury, exposure, poisoning, or diseases. At the truth, people do not die of starvation in such situations.
2 sticks are enough to start a fire.
Watching survival shows to be prepared for survival.
It's fun to watch such shows, but hard to follow. You may be able to take away some general tips, but don't be mistaken with a false sense of security just because you've watched a lot of survival episodes.
You should suck the venom out of a snake bite.
Clinical researches shown that more damage is done to the surroundings if you apply suction devices. Additionally ice, and compression wraps do more harm than good. Wash the wound site, cover it, and try to get to the hospital as quickly as possible.
You're faster than a bear.
No you aren't. Bear are faster than humans. To survive stand your ground and make lots of noise. Black bears often bluff when attacking, but don't climb a tree as far as black bears are good climbers.