There have been thousands of experiments conducted that are reproducible that support evolution
Well, let’s just take 5 of them, your choice. What are they and where can I read of the verifiable studies.
Yet, after more than 20 years the jars continue to contain the very same species with which they started.
In some cases "characgteristics" were acquired that are readily 'splained as "contamination".
Yes, contamnation since we are dealing with lots and lots of jars filled with billions of tiny critters, and even tinier critters drift in and out of this non-negative pressure environment.