How to construct a shelter for wilderness survival?

How would i consrtuct a lean-to, wiki-up,and igloo to protect me from the elements while camping in the wilderness.(its for phys ed class)

please provide steps along with materials needed and why they would be constructed in a specific location.How to construct a shelter for wilderness survival?
You construct only what you need by using dead-fall where your at. You can bring in with you rope such as para-cord that would assist in the construction but again you cannot use or cut down living trees bushes etc. without violating wilderness protection laws. As for shelters look those up the details are too extensive to describe here.



http://boyslife.org/outdoors/3473/taking鈥?/a>



http://www.texasindians.com/wickiup.htm



http://www.princeton.edu/~oa/winter/wint鈥?/a>
Lean-to



Wiki-up



Igloo



See the links in Wikipedia or a survival skills web-site. Do not destroy green tree parts because it damages resources and is not necessary. Leave-no-trace. It is a federal offense to construct permanent shelters on Forest Service lands under the Code of Federal Regulations.How to construct a shelter for wilderness survival?
Here's a three part video by nutnfancy on Youtube. A little lengthy, but worth watching. (it only describes the lean-to)
Do the assigned reading and then complete your own homework.