Index 5

1.http://www.ask.com/bar?q=lifestyle+of+a+caveman&page=1&adt=0&qsrc=2417&zoom=Daily+Life+of+%3CKW%3Ea+Caveman%3C%2FKW%3E%7CHow+Do+I+Sew+%3CKW%3Ea+Caveman%3C%2FKW%3E+Costume%7CSo+Easy+%3CKW%3Ea+Caveman%3C%2FKW%3E+Can+Do+It&ab=1&u=http%3A%2F%2Fwww.matrixbookstore.biz%2Famerican_cavemen.htm

2. Cavemen didn't have tools like we do so there for the tools that they had looked mostly like rocks, and some had scrappers.

3. "tool"

4. Tools that helped caveman survive.