<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>21947</termId><termName>ORIGEN DE LA VIDA</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>ORIGEN DE LA VIDA</termSortkey><termCreatedDate>ORIGEN DE LA VIDA</termCreatedDate><termModifiedDate>2015-02-05 05:42:51</termModifiedDate><relation><relationType>UF</relationType><termId>49527</termId><termName>Abiogénesis</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>21949</termId><termName>Evolución química</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>38740</termId><termName>Heterogénesis</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>49528</termId><termName>Meterogénesis</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>49529</termId><termName>Plasmogenia</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>49530</termId><termName>Plasmogonia</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>49531</termId><termName>Teoría germinal</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>49532</termId><termName>Vida--Origen</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>4638</termId><termName>EVOLUCION (BIOLOGIA)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>8205</termId><termName>EVOLUCION MOLECULAR</termName><termType>PT</termType></relation></term>  </Zthes>