Pruebas objetivas
1st ESO
馃敶 El alumnado que no ha hecho la prueba escrita la hace hoy.
Diario
1st ESO
Focus on Biology: vertebrates
Animales vertebrados (3 min 52 sec)
We talk about the differences between sharks and dolphins.
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| https://www.travel4wildlife.com/are-sharks-mammals/ |
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| Dolphin or shark? |
400-years-old Greenland shark 'oldest living vertebrate'
(BBC News)
