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  <title>7daphnia</title>
  <link>http://7daphnia.blogs.sapo.pt/</link>
  <description>7daphnia - SAPO Blogs</description>
  <lastBuildDate>Sat, 14 Mar 2009 17:27:17 GMT</lastBuildDate>
  <generator>LiveJournal / SAPO Blogs</generator>
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  <guid isPermaLink='true'>http://7daphnia.blogs.sapo.pt/628.html</guid>
  <pubDate>Sat, 14 Mar 2009 17:13:34 GMT</pubDate>
  <title>Apresentação do Projecto</title>
  <author>7daphnia</author>
  <link>http://7daphnia.blogs.sapo.pt/628.html</link>
  <description>&lt;p style=&quot;text-align: justify&quot;&gt;&lt;b&gt;    &lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;&lt;span style=&quot;font-family: Arial&quot;&gt;Divulgação da utilização de um modelo biológico, &lt;i&gt;Daphnia magna&lt;/i&gt;, no desenvolvimento de competências ao nível da literacia científica no 8.º ano de escolaridade.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt; &lt;img style=&quot;border-left-color: black; border-bottom-color: black; width: 481px; border-top-color: black; height: 248px; border-right-color: black&quot; alt=&quot;grupo&quot; border=&quot;0&quot; src=&quot;http://fotos.sapo.pt/I8KvvNPQBMcOwbJZijsa/&quot; /&gt;&lt;/p&gt;</description>
  <comments>http://7daphnia.blogs.sapo.pt/628.html</comments>
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  <guid isPermaLink='true'>http://7daphnia.blogs.sapo.pt/1128.html</guid>
  <pubDate>Fri, 13 Mar 2009 00:35:50 GMT</pubDate>
  <title>&quot;Daphnia magna&quot;...</title>
  <author>7daphnia</author>
  <link>http://7daphnia.blogs.sapo.pt/1128.html</link>
  <description>&lt;p&gt; &lt;/p&gt;
&lt;table style=&quot;width: 465px; height: 211px&quot; cellspacing=&quot;1&quot; cellpadding=&quot;1&quot; border=&quot;1&quot;&gt;
    &lt;tbody&gt;
        &lt;tr&gt;
            &lt;td&gt;&lt;span style=&quot;color: #ff6600&quot;&gt;&lt;span&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Reino&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
            &lt;td&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Animalia&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
        &lt;/tr&gt;
        &lt;tr&gt;
            &lt;td&gt;&lt;span style=&quot;color: #ff6600&quot;&gt;&lt;span&gt;&lt;span&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Filo&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
            &lt;td&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Arthropoda&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
        &lt;/tr&gt;
        &lt;tr&gt;
            &lt;td&gt;&lt;span style=&quot;color: #ff6600&quot;&gt;&lt;span&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Subfilo&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
            &lt;td&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Crustacea&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
        &lt;/tr&gt;
        &lt;tr&gt;
            &lt;td&gt;&lt;span style=&quot;color: #ff6600&quot;&gt;&lt;span&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Classe&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
            &lt;td&gt;
            &lt;p&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Branchiopoda&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
            &lt;p style=&quot;margin-left: 40px&quot;&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;grego:branchio=brânquias; podos=pés&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
            &lt;/td&gt;
        &lt;/tr&gt;
        &lt;tr&gt;
            &lt;td&gt;&lt;span style=&quot;color: #ff6600&quot;&gt;&lt;span&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Ordem&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
            &lt;td&gt;
            &lt;p&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Cladocera &amp;ldquo;pulgas d&amp;rsquo;agua&amp;rdquo;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
            &lt;p style=&quot;margin-left: 40px&quot;&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;600 espécies (9 marinhas)&lt;br /&gt;
            Segmentação reduzida &lt;br /&gt;
            Carapaça única, dobrada na porção dorsal&lt;br /&gt;
            Olho composto&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
            &lt;/td&gt;
        &lt;/tr&gt;
        &lt;tr&gt;
            &lt;td&gt;&lt;span style=&quot;color: #ff6600&quot;&gt;&lt;span&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Família&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
            &lt;td&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Daphniidae&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
        &lt;/tr&gt;
        &lt;tr&gt;
            &lt;td&gt;&lt;span style=&quot;color: #ff6600&quot;&gt;&lt;span&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Género&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/td&gt;
            &lt;td&gt;&lt;i&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Daphnia&lt;/span&gt;&lt;/span&gt;&lt;/i&gt;&lt;/td&gt;
        &lt;/tr&gt;
    &lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt; &lt;/p&gt;
&lt;p&gt;&lt;img style=&quot;border-left-color: black; border-bottom-color: black; border-top-color: black; border-right-color: black&quot; alt=&quot;legenda&quot; border=&quot;0&quot; src=&quot;http://fotos.sapo.pt/sffN3ojqPS6Vb27hKJfK/&quot; /&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;
&lt;p&gt;&lt;img style=&quot;border-left-color: black; border-bottom-color: black; width: 462px; border-top-color: black; height: 226px; border-right-color: black&quot; alt=&quot;legenda2&quot; border=&quot;0&quot; src=&quot;http://fotos.sapo.pt/wvuFSZFuB3wlaPlJscsP/&quot; /&gt;&lt;br /&gt;
     &lt;br /&gt;
 &lt;/p&gt;</description>
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  <guid isPermaLink='true'>http://7daphnia.blogs.sapo.pt/908.html</guid>
  <pubDate>Thu, 12 Mar 2009 00:26:44 GMT</pubDate>
  <title>Preparar o primeiro encontro... à hora marcada, no M.O.C.</title>
  <author>7daphnia</author>
  <link>http://7daphnia.blogs.sapo.pt/908.html</link>
  <description>&lt;p&gt;&lt;img border=&quot;0&quot; src=&quot;http://fotos.sapo.pt/fUsmu1GaVQy4ZMMM2Ce4/&quot; alt=&quot;prepararção&quot; style=&quot;border-color: black; width: 498px; height: 262px;&quot; /&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;
&lt;p&gt;&lt;img border=&quot;0&quot; src=&quot;http://fotos.sapo.pt/zcp0agjmA8kAZm9V8k7b/&quot; alt=&quot;MOC&quot; style=&quot;border-color: black; width: 486px; height: 378px;&quot; /&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: rgb(255, 255, 255);&quot;&gt;&lt;span style=&quot;font-size: larger;&quot;&gt;Resultado...&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;img border=&quot;0&quot; src=&quot;http://fotos.sapo.pt/q6kWSZoemo3aosLqwkrl/&quot; alt=&quot;algodão&quot; style=&quot;border-color: black; width: 482px; height: 233px;&quot; /&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: rgb(255, 255, 255);&quot;&gt;&lt;span style=&quot;font-size: larger;&quot;&gt;Os alunos podem ainda tentar filmar a Daphnia!&lt;br /&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;

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&lt;p&gt; &lt;/p&gt;</description>
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  <guid isPermaLink='true'>http://7daphnia.blogs.sapo.pt/1477.html</guid>
  <pubDate>Wed, 11 Mar 2009 01:08:00 GMT</pubDate>
  <title>Ecossistemas: Interacções seres vivos-ambiente</title>
  <author>7daphnia</author>
  <link>http://7daphnia.blogs.sapo.pt/1477.html</link>
  <description>&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Luz, temperatura, pH... ACÇÃO! os factores abióticos e o desenvolvimento das dáfnias...&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt; &lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Nos ecossistemas os seres vivos estão em constante interacção com o meio físico-químico. São vários os factores abióticos que influenciam os seres vivos e que podem agora ser testados em laboratório usando a dáfnia. Este modelo biológico permite inovar, fugindo às tradiconais actividades experimentais de estudo da germinação de sementes.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt; &lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Consultar protocolos experimentais em:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;&lt;a href=&quot;http://fotos.sapo.pt/tzZOlhZWBL1lcCDh7Kb9/&quot;&gt;fotos.sapo.pt/tzZOlhZWBL1lcCDh7Kb9/&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;&lt;a href=&quot;http://fotos.sapo.pt/Vdc5cqJkCYsNYz1TOLE2/&quot;&gt;fotos.sapo.pt/Vdc5cqJkCYsNYz1TOLE2/&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;&lt;a href=&quot;http://fotos.sapo.pt/ipApYvoh5Y4zuGF9nHHw/&quot;&gt;fotos.sapo.pt/ipApYvoh5Y4zuGF9nHHw/&lt;/a&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;</description>
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  <guid isPermaLink='true'>http://7daphnia.blogs.sapo.pt/1907.html</guid>
  <pubDate>Tue, 10 Mar 2009 01:17:05 GMT</pubDate>
  <title>Ecossistemas: Interacções numa comunidade</title>
  <author>7daphnia</author>
  <link>http://7daphnia.blogs.sapo.pt/1907.html</link>
  <description>&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;span&gt;&lt;b&gt;&lt;span style=&quot;font-size: larger&quot;&gt;As dáfnias na população e em comunidade...&lt;br type=&quot;_moz&quot; /&gt;
&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt; &lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;span&gt;&lt;b&gt;&lt;span style=&quot;font-size: larger&quot;&gt;As dáfnias são um excelente recurso para o estudo das relações intra-específicas (competição: alimento/espaço) e das relações inter-específicas (predação: presa/predador).&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span&gt;&lt;b&gt;&lt;br type=&quot;_moz&quot; /&gt;
&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;</description>
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  <guid isPermaLink='true'>http://7daphnia.blogs.sapo.pt/1770.html</guid>
  <pubDate>Mon, 09 Mar 2009 01:13:39 GMT</pubDate>
  <title>Fluxo de energia e ciclos de matéria</title>
  <author>7daphnia</author>
  <link>http://7daphnia.blogs.sapo.pt/1770.html</link>
  <description>&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt; &lt;span style=&quot;color: #ffffff&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-size: larger&quot;&gt;&amp;quot;Quem come quem&amp;quot;: as dáfnias, o fluxo de energia e os ciclos de matéria...&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;  &lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify&quot;&gt;&lt;span style=&quot;color: #ffffff&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Os ecossistemas são sistemas abertos que trocam matéria e energia com o exterior, encontrando-se em equilíbrio dinâmico. As dáfnias permitem estudar, ao vivo, as relações alimentares de um ecossistema e integrar os conceitos inerentes às cadeias alimentares.&lt;br type=&quot;_moz&quot; /&gt;
&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;
&lt;p&gt;&lt;img style=&quot;border-left-color: black; border-bottom-color: black; width: 473px; border-top-color: black; height: 158px; border-right-color: black&quot; alt=&quot;cadeia_alimentar&quot; border=&quot;0&quot; src=&quot;http://fotos.sapo.pt/q931w7ZPit9EtFGmzEiT/&quot; /&gt;&lt;/p&gt;
&lt;p&gt; &lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: rgb(255,255,255)&quot;&gt;&lt;span style=&quot;font-size: larger&quot;&gt;Consultar o protocolo experimental em: &lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://fotos.sapo.pt/ZQyJLz3pHmltrsCZ9iPQ/&quot;&gt;fotos.sapo.pt/ZQyJLz3pHmltrsCZ9iPQ/&lt;/a&gt;&lt;/p&gt;</description>
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  <guid isPermaLink='true'>http://7daphnia.blogs.sapo.pt/2111.html</guid>
  <pubDate>Sun, 08 Mar 2009 15:17:01 GMT</pubDate>
  <title>Perturbações no equilíbrio dos ecossistemas - Intervenção humana na Natureza</title>
  <author>7daphnia</author>
  <link>http://7daphnia.blogs.sapo.pt/2111.html</link>
  <description>&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;color: rgb(255, 255, 255);&quot;&gt;&lt;span style=&quot;font-size: larger;&quot;&gt;&lt;span style=&quot;font-family: Arial;&quot;&gt;&lt;b&gt;&lt;span style=&quot;&quot;&gt;Uma das características da dáphnia que a torna um excelente modelo biológico em estudos de Ecotoxicologia é a sua elevada sensibilidade a uma grande variedade de tóxicos. Neste contexto, propomos a sua utilização em ensaios simples de monitorização da poluição nos ecossistemas aquáticos.&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;color: rgb(255, 255, 255);&quot;&gt; &lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;color: rgb(255, 255, 255);&quot;&gt;Consultar protocolo experimental proposto pelo Projecto &lt;i&gt;Daphnia &lt;/i&gt;(Visionarium/CIIMAR) em:&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;color: rgb(255, 255, 255);&quot;&gt;&lt;a href=&quot;http://fotos.sapo.pt/M8Gzp52qBFVdkz9I0Lb0/&quot;&gt;fotos.sapo.pt/M8Gzp52qBFVdkz9I0Lb0/&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;a href=&quot;http://fotos.sapo.pt/FZEObkYWSIJfyB1lTPNK/&quot;&gt;fotos.sapo.pt/FZEObkYWSIJfyB1lTPNK/&lt;/a&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;a href=&quot;http://fotos.sapo.pt/4hf11KPZYjwNSbgcq7zU/&quot;&gt;fotos.sapo.pt/4hf11KPZYjwNSbgcq7zU/&lt;/a&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;a href=&quot;http://fotos.sapo.pt/PsdZvMcABo2ae3tHtqNQ/&quot;&gt;fotos.sapo.pt/PsdZvMcABo2ae3tHtqNQ/&lt;/a&gt;&lt;/p&gt;</description>
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