Permiano e Triassico: dal dimetrodonte ai primi dinosauriAndrea Baucon
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Viaggia nel tempo e scopri la Storia della Vita sulla Terra. In un viaggio di 4.5 miliardi di anni, incontreremo trilobiti, dinosauri, ammoniti e mammut! La presentazione fa parte delle lezioni di Storia della Vita sulla Terra tenute da Andrea Baucon durante il corso di paleontologia (Universit di Genova).
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Travel through time and discover the History of Life on Earth. On a journey of 4.5 billion years, we will encounter trilobites, dinosaurs, ammonites and mammoths! The presentation is part of the lessons on the History of Life on Earth held by Andrea Baucon during the paleontology course (University of Genoa).
This document provides information on the educational offerings of the Scuola Primaria "Don Lorenzo Milani" school in San Pietro. It discusses the school's welcoming environment for students, encouragement of relationships and critical thinking. It also outlines the school's focus on holistic student development, social skills, and academic strengthening. Details are provided on classroom spaces, equipment, services offered, and collaboration with families.
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Presentazione della Dichiarazione di Dubai sulle OER alla comunit italiana -...Damiano Orru
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Osservatorio sullinformation literacy promuove un incontro online organizzato dalla rete Open Education Italia. n occasione della Open Education Week 2025, dal 3 al 7 marzo, la rete Open Education Italia organizza un incontro online dedicato alla presentazione della Dichiarazione di Dubai sulle Risorse Educative Aperte (OER) il 4 marzo 2025. https://www.aib.it/eventi/dichiarazione-dubai-oer-unesco/
2. I RETTILI
I rettili sono stati i primi vertebrati capaci di compiere il loro intero ciclo
vitale fuori dallacqua.
Erano rettili dinosauri,che si sono estinti milioni di anni fa.
3. ETEROTERMI
I rettili respirano mediante polmoni
Sono animali a sangue freddo (cio竪 eterotermi)
Eterotermi: organismo vivente in cui la temperatura del corpo varia con
quella dell'ambiente esterno
Il loro corpo 竪 ricoperto da squame impermeabili per evitare la disidratazione
in ambienti non acquatici.
4. LA FECONDAZIONE RETTILE
La fecondazione rettile 竪 interna .
Il maschio depone direttamente gli spermatozoi nel corpo della femmina ,poi
la femmina depone le uova ricoperte da un guscio rigido che protegge
lembrione
5. IL SERPENTE A DUE TESTE
In Florida esiste un serpente a due teste
che si stacca da un corpo unico di soli
pochi centimetri.
Il serpente a due teste , due cuori ,
due settimane di vita e due apparati
digerenti e questo potrebbe rendere difficile la sopravvivenza
6. IL SERPENTE PI VELENOSO DEL MONDO
Si sa davvero poco di questo serpente ,ma quello che si sa 竪 che un serpente
velenosissimo.
Il serpente 竪 lungo circa due metri.
L'effetto del suo veleno va
dalla paralisi,
allemorragia interna,
al blocco renale,
al disgregamento dei muscoli.