Are bond distances and bond angles accurate in a molecular model?

Molecular models are never accurate as compared to the actual objects. They are just representation of the real object. So, you would expect that not all characteristics are the same. At most, there would be slight differences. But majority of the characteristics of the real object is followed by the model.

Herbivores, carnivores, omnivores, decomposers, herbivores

Most smaller stars don't have a radiative zone.