How do you get medals for your pets on unicreatures.com like what are the requirements for certain medals

There are a couple and all of them have certain standards that need to be reached.
The Effort MedalTo acquire the Effort Medal, you will have to train your creature to it's maximum stat potential.
Max Powers MedalTo acquire the Max Powers Medal, you will have to train your creature to have 272 total points worth of powers (giving you a +100 rating for overall influence).
Very Caring CaretakerTo acquire the Very Caring Caretaker reward, you will have to interact with your creature at least one hundred times, showing it how much you care for it and have helped it along.
Vigor MedalTo acquire the Vigor Medal, you will have to acquire 150 total care points for your creature.
Joy RibbonTo acquire the Joy Ribbon, you will have to acquire 500 total care points for your creature.
Care TrophyTo acquire the Care Trophy, you will have to acquire 1000 total care points for your creature.
Glorious CrownTo acquire the Glorious Crown, you will have to acquire 10,000 total care points for your creature.

I just copied these all from a UniCreatures tutorial, so you can just it.