Desserts, sugar, and pilgrims are all common nouns. Nouns that aren't common nouns are called "proper nouns." These are words such as names. "Thanksgiving" is a proper noun because it's a name of a holiday.
it would not be a good idea because dinosaurs are very powerful creatures and would kill every human in sight. dinosaurs could not be used for a lot of things unless you can tame/domesticate them.
