tag:blogger.com,1999:blog-60719121453831936212024-03-05T13:04:00.539-08:00Folha e suas estruturasPesquisa de Biologia 2ºC Prof. Tânio I.D.F.G.Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-6071912145383193621.post-65961047671707778932009-11-03T16:22:00.000-08:002009-11-03T16:25:49.926-08:00Alunos<ul style="color: rgb(255, 255, 255);"><li>Denisson</li><li>Danilo</li><li>Jacques</li><li>Giovani(Xupeta)</li><li>Tiago(ZM)</li></ul>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com0tag:blogger.com,1999:blog-6071912145383193621.post-7332137548582882572009-11-03T05:35:00.001-08:002009-11-03T05:35:14.308-08:00Folha<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCEG65nsP2CxqiN54XmUqT1Vy4OUAhnNJQYn5uJwHljEnh2TbeptkT40aRzUzr2aa2XW82OM7yXP46l12v1AvwGdfGqEwbOFx7SOab0yjL8V_MCZ6B35D0ltavrhB5CGN80Qqp8u77zws/s1600-h/folha.gif"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 300px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCEG65nsP2CxqiN54XmUqT1Vy4OUAhnNJQYn5uJwHljEnh2TbeptkT40aRzUzr2aa2XW82OM7yXP46l12v1AvwGdfGqEwbOFx7SOab0yjL8V_MCZ6B35D0ltavrhB5CGN80Qqp8u77zws/s400/folha.gif" alt="" id="BLOGGER_PHOTO_ID_5398615590160244018" border="0" /></a><span style="color: rgb(255, 255, 255);font-family:arial;" >Em botânica, as </span><b style="font-family: arial; color: rgb(255, 255, 255);">folhas</b><span style="color: rgb(255, 255, 255);font-family:arial;" > são órgãos das plantas especializados em captação de luz e trocas gasosas com a atmosfera para realizar a fotossíntese e respiração. Salvo raras excepções, associadas a plantas de climas áridos, as folhas tendem a maximizar a superfície em relação ao volume, por forma a aumentar quer a área da planta exposta à luz, quer a área da planta onde as trocas gasosas são possíveis por estar exposta à atmosfera. </span><p face="arial" style="color: rgb(255, 255, 255);">Espéies diferentes de plantas têm folhas diferentes, e existem vários tipos especializados de folhas, com fins diferentes dos das folhas comuns, como por exemplo as petalas das flores.</p> <span style="color: rgb(255, 255, 255);font-family:arial;" >Este artigo concentra-se nas folha das plantas vasculares - as únicas que possuem "verdadeiras" folhas; as restantes plantas verdes, como os musgos ou as cavalinhas, possuem órgãos equivalentes, mas com estrutura e, por vezes, denominações diferentes.</span>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com0tag:blogger.com,1999:blog-6071912145383193621.post-79646618529427407032009-11-03T05:31:00.000-08:002009-11-03T05:32:04.091-08:00Estrutura da folha<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiE_UJu9eEVjStg_cbBZxzLT4227TkOCLhRdGdZIh-7bQ2AYg8g2sMBdDBnKTz78OPlnotynldbRYi0FmKsgYQPJsEZoms12bZFddpUrvlmjCGXICkMWHV2ExAyBpK0vC5qKrokwQTUzR8/s1600-h/estruturas+da+folha.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 298px; height: 320px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiE_UJu9eEVjStg_cbBZxzLT4227TkOCLhRdGdZIh-7bQ2AYg8g2sMBdDBnKTz78OPlnotynldbRYi0FmKsgYQPJsEZoms12bZFddpUrvlmjCGXICkMWHV2ExAyBpK0vC5qKrokwQTUzR8/s320/estruturas+da+folha.jpg" alt="" id="BLOGGER_PHOTO_ID_5397857985154299618" border="0" /></a><br /><span style="color: rgb(255, 255, 255);font-family:arial;" >Estruturas da folha:</span><br /><ul style="color: rgb(255, 255, 255); font-family: arial;"><li>Bainha</li><li>Pecíolo</li><li style="color: rgb(255, 255, 255);"><span style="color: rgb(0, 0, 0);"><span style="color: rgb(255, 255, 255);">Limbo</span></span></li></ul>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com0tag:blogger.com,1999:blog-6071912145383193621.post-24263408047152267912009-11-03T05:29:00.001-08:002009-11-03T05:29:56.458-08:00Anatomia das folhas<a style="font-family: arial; color: rgb(255, 255, 255);" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjO0y5-i8TxBO5sbuZgG4NtB4VlTtJhw7y0tFHrVfZeKeWRip-GhIGtrsq_qfR6MNwMQkDNsd3-kf1WucYy4LHE1C-NEcTkzLv3uQcZKxveNaoWIuGL9He-T4j4nrSPyOSNrGlyqGPlgeA/s1600-h/folha.png"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 179px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjO0y5-i8TxBO5sbuZgG4NtB4VlTtJhw7y0tFHrVfZeKeWRip-GhIGtrsq_qfR6MNwMQkDNsd3-kf1WucYy4LHE1C-NEcTkzLv3uQcZKxveNaoWIuGL9He-T4j4nrSPyOSNrGlyqGPlgeA/s400/folha.png" alt="" id="BLOGGER_PHOTO_ID_5397864404459092754" border="0" /></a><span style="color: rgb(255, 255, 255);font-family:arial;" >Do ponto de vista da </span><span style="color: rgb(255, 255, 255);font-family:arial;" >histologia, ou seja, dos tecidos</span><span style="color: rgb(255, 255, 255);font-family:arial;" > e outras formações da folha, este órgão é formado por:</span><br /><ul style="font-family: arial; color: rgb(255, 255, 255);"><li>Epiderme</li><li>Mesofilo</li></ul>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com0tag:blogger.com,1999:blog-6071912145383193621.post-9780402847034150812009-11-03T05:27:00.000-08:002009-11-03T05:28:30.898-08:00Forma das folhas<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-2kn5VHhtAV5CYWh-bw7HlrS8kBHVXYufpuVC1a2R0jKGUk5r8VAjyUCZ49J0wjrTJ9_BUUQChrQhYGq4ZRUnWSO7ouw4GPzHRvMPrPbXM6FyKEDVvGl1HV9FJjTnBBVc4VuUxWzJc0Y/s1600-h/folha1.JPG"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 263px; height: 415px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-2kn5VHhtAV5CYWh-bw7HlrS8kBHVXYufpuVC1a2R0jKGUk5r8VAjyUCZ49J0wjrTJ9_BUUQChrQhYGq4ZRUnWSO7ouw4GPzHRvMPrPbXM6FyKEDVvGl1HV9FJjTnBBVc4VuUxWzJc0Y/s400/folha1.JPG" alt="" id="BLOGGER_PHOTO_ID_5397866291158481026" border="0" /></a>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com0tag:blogger.com,1999:blog-6071912145383193621.post-5495459339516588932009-11-03T05:26:00.001-08:002009-11-03T05:26:55.702-08:00Formas de inserção das folhas<span style="color: rgb(255, 255, 255);font-family:arial;" >Em termos da sua inserção no caule, as folhas podem ser: </span><ul style="font-family: arial; color: rgb(255, 255, 255);"><li><i>alternadas</i> (uma folha por nó):<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgydH9zg7dzPExmvij-YY3tyw8iQubpEvRoMvg9Q7dy9qNixnc33qh5ErHmDjYem9JlXCLGwt9d8rGcIvN_d6SGcR1nykSA-EHk17C1W1Veh1BTvLdFFUmqDDgIf2pp0Qvi1pozZHU-v1o/s1600-h/folha+alternada.png"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 142px; height: 200px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgydH9zg7dzPExmvij-YY3tyw8iQubpEvRoMvg9Q7dy9qNixnc33qh5ErHmDjYem9JlXCLGwt9d8rGcIvN_d6SGcR1nykSA-EHk17C1W1Veh1BTvLdFFUmqDDgIf2pp0Qvi1pozZHU-v1o/s200/folha+alternada.png" alt="" id="BLOGGER_PHOTO_ID_5397869495372926098" border="0" /></a></li><li><i>opostas</i> (duas folhas saindo do mesmo nó):<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1rP2_Puy2MCqn12TkGp7AJ60Kh0v_OjE80Gw0Iw6Ao8W-sgS_xybjuAHylhUgepFTSxebgBSVdqS2qGLD_yeHkW-ryQ0uvovk8326qNDywapjUULAeOCkdJWqBviNkw2xsZmA8jJgDJI/s1600-h/opostas.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 150px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1rP2_Puy2MCqn12TkGp7AJ60Kh0v_OjE80Gw0Iw6Ao8W-sgS_xybjuAHylhUgepFTSxebgBSVdqS2qGLD_yeHkW-ryQ0uvovk8326qNDywapjUULAeOCkdJWqBviNkw2xsZmA8jJgDJI/s200/opostas.jpg" alt="" id="BLOGGER_PHOTO_ID_5397870084314537810" border="0" /></a></li><li><i>verticiladas</i> (várias folhas saindo do mesmo nó ou verticilo):<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidIUNFYgGvzPQTQq9_gI1Lf803aajULsErXBL2vaULvel1dnmPkXr1c-3XSy9__EqGYp_99ndTGAhPUtUhXacZ-9Axxav7tXPUJOaTIjsJ5ztyWHK6wYdLsMFwtKWsdQpRGwwtoJsl0H0/s1600-h/verticilada.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 165px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidIUNFYgGvzPQTQq9_gI1Lf803aajULsErXBL2vaULvel1dnmPkXr1c-3XSy9__EqGYp_99ndTGAhPUtUhXacZ-9Axxav7tXPUJOaTIjsJ5ztyWHK6wYdLsMFwtKWsdQpRGwwtoJsl0H0/s200/verticilada.jpg" alt="" id="BLOGGER_PHOTO_ID_5397870462354698050" border="0" /></a></li><li>em <i>roseta</i> (várias folhas saindo da extremidade dum caule, como na Gerbera ):<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs05uviA1cuWfipddYZ48hgQwol9QFSqloQGzxOp5ODhsMOsQ9mDmE1EAHUnb_ylhSy-FudRrwjHwISqWRJoq3KLtkN-2QBVWPIiTACzyrYprjSI4gCkzTZw1x70h6KTMW837AVgjfCCg/s1600-h/Gerberas.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 184px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs05uviA1cuWfipddYZ48hgQwol9QFSqloQGzxOp5ODhsMOsQ9mDmE1EAHUnb_ylhSy-FudRrwjHwISqWRJoq3KLtkN-2QBVWPIiTACzyrYprjSI4gCkzTZw1x70h6KTMW837AVgjfCCg/s200/Gerberas.jpg" alt="" id="BLOGGER_PHOTO_ID_5397869962457002802" border="0" /></a></li></ul>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com6tag:blogger.com,1999:blog-6071912145383193621.post-91638614469714182772009-11-03T05:25:00.001-08:002009-11-03T05:25:29.950-08:00Outras classificações das folhas<span style="color: rgb(255, 255, 255);">Quanto à situação: </span><ul style="color: rgb(255, 255, 255);"><li>aérea:<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinTvwevrSJOUtViTTcSTp_fxnxDz19ztvTOsas4z39Sh17bDbui4ZfPzycOkBf6ybhKOql4ThKlrdkLnMOpLDRjIwFa4gi-8t3aqdE0Rt6jvsNUNnrvX-Xqq1X-N1u_PuJAz23BwNl4I4/s1600-h/aerea.JPG"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 133px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinTvwevrSJOUtViTTcSTp_fxnxDz19ztvTOsas4z39Sh17bDbui4ZfPzycOkBf6ybhKOql4ThKlrdkLnMOpLDRjIwFa4gi-8t3aqdE0Rt6jvsNUNnrvX-Xqq1X-N1u_PuJAz23BwNl4I4/s200/aerea.JPG" alt="" id="BLOGGER_PHOTO_ID_5398607764414790018" border="0" /></a></li><li>aquática:<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfx1KxTOqXkVY3Hx7vDJ8RwKqS7sWoCNqvcj0ODiDmFv3Ey3ENrybIHvbbOTTqN_yRsux9lQ_k4YAjyO_rcdLkuCxlxpHuB4D58Ah2TZNKq-s4AHqLCxLdGP7Nh-mcxpJOMbtQDm3MIHk/s1600-h/aquaticas.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 133px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfx1KxTOqXkVY3Hx7vDJ8RwKqS7sWoCNqvcj0ODiDmFv3Ey3ENrybIHvbbOTTqN_yRsux9lQ_k4YAjyO_rcdLkuCxlxpHuB4D58Ah2TZNKq-s4AHqLCxLdGP7Nh-mcxpJOMbtQDm3MIHk/s200/aquaticas.jpg" alt="" id="BLOGGER_PHOTO_ID_5398607874188151170" border="0" /></a></li><li>subterrânea:<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicvBdRKCNwjI9nsaZnyS0cWEZn2mnk3jvz5HmtqhwKKts-zucMPGsHHPGitKEmJ4JO5TOP3VJzdAeENiOwIyZfYrH8plMMDuNiZJtz4pORX5QGHFjmESx2TlnFodI5I-rUxEcy6DVfU98/s1600-h/subterranea.gif"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 172px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicvBdRKCNwjI9nsaZnyS0cWEZn2mnk3jvz5HmtqhwKKts-zucMPGsHHPGitKEmJ4JO5TOP3VJzdAeENiOwIyZfYrH8plMMDuNiZJtz4pORX5QGHFjmESx2TlnFodI5I-rUxEcy6DVfU98/s200/subterranea.gif" alt="" id="BLOGGER_PHOTO_ID_5398608075297177602" border="0" /></a></li></ul><span style="color: rgb(255, 255, 255);">Quanto a consistência: </span><br /><ul style="color: rgb(255, 255, 255);"><li>membranácea:<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs37t0l6YTLFVNCDrZG8SGaxiTf7TFWdLkSiS6FnngZiPZvq20Skwi4mI2Y7tpmw_09BxfCc5UbUTMxqaeQRVXQ2zNK9MAN5rQL-mitRSqayfoBszoAuhUpRil58OlLOQXo78xb5JjedQ/s1600-h/membranacea.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 135px; height: 200px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs37t0l6YTLFVNCDrZG8SGaxiTf7TFWdLkSiS6FnngZiPZvq20Skwi4mI2Y7tpmw_09BxfCc5UbUTMxqaeQRVXQ2zNK9MAN5rQL-mitRSqayfoBszoAuhUpRil58OlLOQXo78xb5JjedQ/s200/membranacea.jpg" alt="" id="BLOGGER_PHOTO_ID_5398608302936718834" border="0" /></a></li></ul><ul style="color: rgb(255, 255, 255);"><li>coriácea:<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKT1Yi1wRIoWTUooAwudZAFSKPO-YaiIJUO-b1AvSCAwPCUxaTmulNr26III-wCfJGOOysCbs5rAjpj9FPBvgZERxS9U0-3jNlnvJVVXmzpsDr4i8ji56MPatSc7ubVpHxc66y5QK9zPM/s1600-h/cor%C3%ADacea.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 150px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKT1Yi1wRIoWTUooAwudZAFSKPO-YaiIJUO-b1AvSCAwPCUxaTmulNr26III-wCfJGOOysCbs5rAjpj9FPBvgZERxS9U0-3jNlnvJVVXmzpsDr4i8ji56MPatSc7ubVpHxc66y5QK9zPM/s200/cor%C3%ADacea.jpg" alt="" id="BLOGGER_PHOTO_ID_5398608886829137170" border="0" /></a></li><li>crassa:<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAjJmlycSlV7wnOeOYRcMp6yKYQKxPQsOAHef5iy0-vGWLvIW1b7Iigob0OwE-BDKGTppexQTf5zVTl5JWTlaUk8oZnUPFuf6PBFqSDv87f25eJvbwVDPQ_7KRJqunZhWy__yENHv0-8Q/s1600-h/crassa.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 70px; height: 70px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAjJmlycSlV7wnOeOYRcMp6yKYQKxPQsOAHef5iy0-vGWLvIW1b7Iigob0OwE-BDKGTppexQTf5zVTl5JWTlaUk8oZnUPFuf6PBFqSDv87f25eJvbwVDPQ_7KRJqunZhWy__yENHv0-8Q/s200/crassa.jpg" alt="" id="BLOGGER_PHOTO_ID_5398609030345220290" border="0" /></a></li></ul><span style="color: rgb(255, 255, 255);">Quanto ao posicionamento de suas nervuras: </span><br /><ul style="color: rgb(255, 255, 255);"><li>ramificadas (ex. folha da macieira):<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZiziy9wNGwS-UOvsAK6gVRPBZau3R9BgXw89rRwBCzjj6iBKbIByqDlzNNP8xvLbCDuiCA4EWFe6yyoxoiZqyHyXbACPh8CK7-DXooxwreXRBgQo4OCvrI7aUWUCCS1uOe7Ow6hAAklQ/s1600-h/macieira.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 150px; height: 200px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZiziy9wNGwS-UOvsAK6gVRPBZau3R9BgXw89rRwBCzjj6iBKbIByqDlzNNP8xvLbCDuiCA4EWFe6yyoxoiZqyHyXbACPh8CK7-DXooxwreXRBgQo4OCvrI7aUWUCCS1uOe7Ow6hAAklQ/s200/macieira.jpg" alt="" id="BLOGGER_PHOTO_ID_5398609670032446146" border="0" /></a></li></ul><ul style="color: rgb(255, 255, 255);"><li>paralelas (ex. folha do milho):<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAj4IjqGBA43Kxeam63jJqv-Yl-vWT4j2ZJ_1QNElpiyaf6AHgN1eduiIqSQiKXtMV1WFVFs2HP0d1Bkh3mALcgU8qwUAuumsdH_l6-2lRH05GgTCEk37JVsUQ1SgKLns1233gGzU53z4/s1600-h/Milho+-+Folha.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 168px; height: 200px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAj4IjqGBA43Kxeam63jJqv-Yl-vWT4j2ZJ_1QNElpiyaf6AHgN1eduiIqSQiKXtMV1WFVFs2HP0d1Bkh3mALcgU8qwUAuumsdH_l6-2lRH05GgTCEk37JVsUQ1SgKLns1233gGzU53z4/s200/Milho+-+Folha.jpg" alt="" id="BLOGGER_PHOTO_ID_5398609904623908050" border="0" /></a></li></ul>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com1tag:blogger.com,1999:blog-6071912145383193621.post-55395366284833939172009-11-03T05:23:00.000-08:002009-11-03T05:24:11.317-08:00Adaptações especiais das folhas<ul><li>Algumas plantas, como os cactos, têm as folhas transformadas em espinhos; são os caules, carnudos e achatados, que exercem a função fotossintética.</li></ul><p style="font-family: arial; color: rgb(0, 0, 0);"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTOpbttu5ZS67Jqper3lZyYpgSd0nygFa3KAFAh_BT0hGgSuHWdmBdBYY4tajrdpKyPpB98L7q53tJI2k3pb8JsvvppBcQ_-dM9hUhLS6FBPt1xdBkP-gooHUFxmyY1-M-6GeBoPsyF-E/s1600-h/cacto.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 195px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTOpbttu5ZS67Jqper3lZyYpgSd0nygFa3KAFAh_BT0hGgSuHWdmBdBYY4tajrdpKyPpB98L7q53tJI2k3pb8JsvvppBcQ_-dM9hUhLS6FBPt1xdBkP-gooHUFxmyY1-M-6GeBoPsyF-E/s200/cacto.jpg" alt="" id="BLOGGER_PHOTO_ID_5398603164668674706" border="0" /></a></p> <ul><li>As folhas dos caules subterrâneos, como na cebola, podem estar transformados em órgãos de reserva de nutrientes.</li></ul><p style="font-family: arial; color: rgb(0, 0, 0);"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNi_QO3uzRznZlODe2GiukBXa2oXqobZZCSrWjenSlmxgo8lIChS6lC4M3WiViEZpaTm4el3SKVMXse0g67JE1Oy37jkMhmxvgbt_ufxFCwZARzIzrfTJ6tU73mpooy4j81SuG2qwCShs/s1600-h/cebola.jpg"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 190px; height: 200px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNi_QO3uzRznZlODe2GiukBXa2oXqobZZCSrWjenSlmxgo8lIChS6lC4M3WiViEZpaTm4el3SKVMXse0g67JE1Oy37jkMhmxvgbt_ufxFCwZARzIzrfTJ6tU73mpooy4j81SuG2qwCShs/s200/cebola.jpg" alt="" id="BLOGGER_PHOTO_ID_5398605253379149330" border="0" /></a></p> <ul><li>O caso mais extremo parece ser das plantas carnívoras, em que a folha está transformada numa armadilha, como se de um predador se tratasse.</li></ul><p style="font-family: arial; color: rgb(0, 0, 0);"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8flbypyCoIjo2VKuLkQ9gsHWRzZ2kBKN5lcNOTaAy5hqQqcCTU67MIy-jNo7LAD6s0sDhyphenhyphen8TekhbYBMp4-bjAXQ2mNLLVYxyPH21wCJ_ihu_xSeZPSQq_CCfCeAk7eN3Y5rtl0ZA4S9U/s1600-h/planta+carnivora.JPG"><img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 200px; height: 138px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8flbypyCoIjo2VKuLkQ9gsHWRzZ2kBKN5lcNOTaAy5hqQqcCTU67MIy-jNo7LAD6s0sDhyphenhyphen8TekhbYBMp4-bjAXQ2mNLLVYxyPH21wCJ_ihu_xSeZPSQq_CCfCeAk7eN3Y5rtl0ZA4S9U/s200/planta+carnivora.JPG" alt="" id="BLOGGER_PHOTO_ID_5398606196942302578" border="0" /></a></p>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com0tag:blogger.com,1999:blog-6071912145383193621.post-50358623165467057082009-11-03T04:33:00.000-08:002009-11-03T04:45:38.971-08:00Questões<span style="font-family: arial;"><span style="font-family: arial; font-weight: bold;">1) </span><span style="font-family: arial;">Qual a distribuição das folhas no caule?<br /><br /><span style="font-weight: bold;">2)</span> Na folha qual a função dos estomatos?<br /><br /><span style="font-weight: bold;">3)</span> Em um determinado habitat as folhas modificadoras ajudam a planta?<br /><br /><span style="font-weight: bold;">4)</span> Por que a folha da mimosa fecha quando tocam nela?<br /><br /><span style="font-weight: bold;">5)</span> Por que a folha tem a coloração verde?<br /><br /><br />Respostas:<br /><br />1) Opostar, Opostar Verticalados, Opostar Cruzados alternos.<br /><br />2) São poros formados por duas celulas entre as quais observam-se uma abertura onde passam substâncias como e oxigênio.<br /><br />3) Sim. Porque em cada espaço e temperatura as folhas tem suas formas modificadas.<br /><br />4) Porque nela existe água que a deixa normal mas com a pressão dada pelo toque a água consegue escapar e a folha mucha.<br /><br />5) Por causa do pigmento clorofila.<br /></span></span>Folhahttp://www.blogger.com/profile/05980659430332052414noreply@blogger.com1