Most of the complex spatial and temporal relationships of periodical cicada broods and species must be less than 10,000 years old, because much of the current range of periodical cicadas in the eastern, Appalachian, and Midwestern U.S. would have been unsuitable for periodical cicadas during and for substantial periods following the Wisconsin ...
Just be sure not to serve her any Jell-O in the near future or your next class speaker may be a representative from PETA. Glue, historically, is indeed made from collagen taken from animal parts, particularly horse hooves and bones. In fact, the word âcollagenâ comes from the Greek kolla, glue.
Best Answer: The kind of glue I think you mean, since people say glue when they mean adhesive comes from several sources. I assume you mean glue as in Elmer's White glue. The stuff you stick paper together with in school. That is made from protein from many sources. There are not that many horses anymore so most comes from other animal sources.