node.js - Handling CRUD with mongodb using Express.js building a REST API -

i working on rest api using express 4. api layer access mongodb database. database have hundreds of different objects. example there looking like

alt1

{  name: sting,  number: int }

alt2

{     name: sting,     temp: int,     length: int }

my questions each object needs own data model mongoose , basic crud routes defined?

for example above there 2 datamodels , 2*4 routes define basic crud operations?

UIO