<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31303709</termId><termName>biofilm</termName><termType>PT</termType><termNote><![CDATA[ Refers to a thin, resistant layer of mucilage and the imbedded bacteria and other microorganisms that created it. ]]></termNote><termCreatedDate>2026-03-30 20:21:40</termCreatedDate><relation><relationType>BT</relationType><termId>31298610</termId><termName>organisms by activity</termName><termType>PT</termType></relation></term>  </Zthes>