Is there senior discount?

I don't think so but you can get a good rate through Groupon

Senior (ages 60+)$5 Off Military (ages 14-59)$5 Off – discount applies only to identified cardholders Student (ages 14-59)$5 Off – discount applies only to identified cardholders AAA Member$2 Off – discount applies to the entire partyMember of Affiliate Zoo or Aquarium50% Off – discount applies only to those covered by the membership

Yes but not sure what it is

Groupon is still the best deal. It includes the dinosaur tour

There is a senior discount

Yes, I think so. Not sure how much though.

Yes