Lamarck believed that acquired traits would be passed on to the next generation.
Your arbitration hearing will result in a decision (arbitration award) issued by the arbitrator(s) within 30 days of the hearing. The arbitration award will be final and binding on both you and your attorney, unless either of you seeks a trial de novo within 30 days.
If you're not satisfied with your lawyer's explanation, ask for a reduction of the bill. If the lawyer refuses, consider filing for nonbinding fee arbitration with a state or local bar association. Arbitration is a process where a neutral decisionmaker resolves your fee dispute.