tag:blogger.com,1999:blog-26364035869177424462024-03-14T07:30:30.466-07:00Preistorieflaviuhttp://www.blogger.com/profile/00224435167147747470noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-2636403586917742446.post-88363362123931981422013-01-30T13:44:00.003-08:002013-01-30T13:44:51.530-08:00Meduza preistorica<div dir="ltr" style="text-align: left;" trbidi="on">
<div class="separator" style="clear: both; text-align: center;">
<a href="http://3.bp.blogspot.com/-Yev24Mxi1vg/UQmLWuSNQUI/AAAAAAAAAYE/TgrZOBzkTts/s1600/341424_meduza_ryby_voda_puzyri_1920x1080_(www.GdeFon.ru).jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="225" src="http://3.bp.blogspot.com/-Yev24Mxi1vg/UQmLWuSNQUI/AAAAAAAAAYE/TgrZOBzkTts/s400/341424_meduza_ryby_voda_puzyri_1920x1080_(www.GdeFon.ru).jpg" width="400" /></a></div>
<div class="separator" style="clear: both; text-align: left;">
<br /></div>
<div class="separator" style="clear: both; text-align: left;">
<br /></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="color: white;">Meduzele sunt celenterate inotatoare care au corp gelatinos cu aspect de umbrela.</span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="color: white;">In centrul partii inferioare a corpului se deschide orificiul buco-anal, iar pe marginile corpului sunt dispuse tentaculele.</span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="color: white;"> Ele se deplaseaza prin impingerea apei in spatiul subumbrelar, cu ajutorul fibrelor musculare,dar de obicei plutesc in masa apei. Miscarile ritmice ale umbrelei au loc neintrerupt, aceste contractii servind in acelasi timp, pentru respiratie si circulatie. </span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="color: white;">Meduzele mor de obicei dupa ce se inmultesc...</span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="color: white;"><br /></span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="color: white;">Dar ce este meduza preistorica si cum arata ea?</span></span></div>
<br /></div>
flaviuhttp://www.blogger.com/profile/00224435167147747470noreply@blogger.com0tag:blogger.com,1999:blog-2636403586917742446.post-25426103154998509062013-01-30T13:44:00.001-08:002013-01-30T13:44:08.392-08:00Trilobitii<div dir="ltr" style="text-align: left;" trbidi="on">
<div class="separator" style="clear: both; text-align: center;">
<a href="http://4.bp.blogspot.com/-WOMWTvgV_aQ/UQmH9AQAJNI/AAAAAAAAAX4/9kimj2SrJEg/s1600/2007-7438-trilobites.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="266" src="http://4.bp.blogspot.com/-WOMWTvgV_aQ/UQmH9AQAJNI/AAAAAAAAAX4/9kimj2SrJEg/s400/2007-7438-trilobites.jpg" width="400" /></a></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="color: white;"><span style="background-color: black;">Trilobitii sunt un grup de artropode marine disparute din clasa Trilobita. </span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="color: white;"><span style="background-color: black;">Prima lor aparitie a avut loc in Cambrianul timpuriu,acum 521 de milioane de ani si si-au trait apogeul in epoca paleozoica</span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="color: white;"><span style="background-color: black;">Au fost printre singurele vietuitoare care populau oceanele,si asta timp de peste 270 de milioane de ani</span></span></div>
<br /></div>
flaviuhttp://www.blogger.com/profile/00224435167147747470noreply@blogger.com0tag:blogger.com,1999:blog-2636403586917742446.post-63288168391833319322013-01-30T13:43:00.001-08:002013-01-30T13:43:20.666-08:00Cum a aparut Pamantul?<div dir="ltr" style="text-align: left;" trbidi="on">
<div class="separator" style="clear: both; text-align: center;">
<a href="http://4.bp.blogspot.com/-aoK191QhjpI/UQlzi46xkvI/AAAAAAAAAXI/dpEXv9ehtrU/s1600/473460a-f1.2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="411" src="http://4.bp.blogspot.com/-aoK191QhjpI/UQlzi46xkvI/AAAAAAAAAXI/dpEXv9ehtrU/s640/473460a-f1.2.jpg" width="640" /></a></div>
<div class="separator" style="clear: both; text-align: center;">
<br /></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="background-color: black;"><span style="color: red;">Acum </span></span></span><span style="background-color: black;"><span style="background-color: black;"><span style="color: red;"><span style="font-size: large;">4.5</span></span></span></span><span style="background-color: black;"><span style="background-color: black;"><span style="color: red;"> miliarde de ani...</span></span></span><span style="color: white;"><span style="background-color: black;"><br /></span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="background-color: black;"><span style="color: white;">* în locul sistemului solar exista o întinsă nebuloasă,un nor cosmic, alcătuit din praf, particule de gheaţă şi gaze</span></span></span><span style="background-color: black;"><span style="background-color: black;"><span style="color: white;">.</span></span></span><span style="background-color: black;"><span style="background-color: black;"><span style="color: red;"><br /></span></span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="background-color: black;"><span style="color: white;">*prin condensarea materiei din centrul nebuloasei i-a naştere Soarele</span></span></span></div>
<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: black;"><span style="background-color: black;"><span style="color: white;">*prin condensarea materiei de la periferia nebuloasei i-au naştere roci de diverse dimensiuni, care, datorită gravitaţiei, se vor uni formând planetele, printre care şi Terra.</span></span></span></div>
<br /></div>
flaviuhttp://www.blogger.com/profile/00224435167147747470noreply@blogger.com0