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MAMMALS - Contenido educativo
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Good morning everyone. How are you today? I hope you are wonderful and we are going to start with natural science.
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So I need you to take your book and open the book from page 46 because today we are going to see the mammals.
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Are you ready? Yes?
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Bueno chicos, en el día de hoy vamos a empezar con naturales y vamos a ver el primer grupo de los animales vertebrados que son los mamíferos.
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Así que coged vuestros libros y abrirlos por la página 46 para que podamos empezar.
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¿De acuerdo?
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Are you ready?
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Yes?
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Okay, here we are.
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So, as we were talking last day with the mini book, you create the mini book for the five
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groups of vertebrate animals.
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The first one is the mamas and this is the one that we are going to study today.
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So, everyone get ready.
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Open your book from page 46. Finger ready. Point to vertebrate mammals. And let's read. One, two, three. Here we go.
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All mammals are vertebrates, which means they have a backbone. There are many types of mammals on the planet, and they all look very different.
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Reproduction
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Almost all mammals are viviparous, which means that they give birth to live babies.
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Only monotremes are oviparous, for example the duck-billed platypus.
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Nutrition
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Mammals can be carnivores, herbivores or omnivores.
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They have different types of teeth depending on the food they eat.
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Baby mammals drink their mother's milk until they can find their own food.
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Respiration
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All mammals breathe with their lungs.
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Physical characteristics
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Most mammals have fur or hair.
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Fur and hair keep them warm.
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Most mammals have four legs and move on land, but some mammals have flippers to move in water.
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The only mammals which have wings are bats.
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OK, so now, let's explain a little bit more. Here we go.
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Let me open, make it bigger. Perfect.
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Okay, so we were talking that all mammals are vertebrates, which means they have a backbone.
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Do you remember what is a backbone?
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Columna vertebral, un esqueleto, ¿vale?
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And there are many types of mammals on the planet and they all look very different, okay?
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We are going to study four things mainly about the mammals.
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We are going to study how do they reproduce, what do they eat, because this is the nutrition, how do they breathe, the respiration, and how are their bodies.
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¿Ok? La reproducción, la nutrición, cómo respiran y cómo son sus cuerpos.
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Let's start with the reproduction.
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Almost all mamas are vivíparos.
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What does it mean vivíparos?
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vivíparo, which means that they give birth to live babies.
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Only monotremes are ovíparos, ovíparos, for example, the duck-billed platypus.
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Ovíparos, they mean that they burn from eggs.
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Now, let's talk about the nutrition.
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What do they eat? How do they feed?
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¿Cómo se alimentan? ¿De qué comen?
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mammals can be carnivores herbivores or omnivores carnivores herbivores or omnivores they have
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different types of teeth depending on the food they eat okay dependiendo de cómo son su alimentación
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tienen unos dientes más afilados o menos afilados para para comer el tipo de alimentación que
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use to feed the meat they need some more sharp teeth to be able to
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break it and yet the grass because it is simpler
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or the vegetables
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baby mammals drink their mother's milk until they can find their own
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food ok this is something common because with us with the people because we are
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mammals too, yeah? When we are babies, we drink the mother milk until we are ready to start eating
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another type of food, okay? Then we have the respiration. All mammals breathe with their
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lungs, okay? Do you remember what is lungs? Yes, pulmones. Los mamíferos respiran a través de los
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pulmones. And then we have the physical characteristics, okay? Most mammals, la mayoría, they have
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fur or hair, ¿vale? Tienen una piel o pelo, pelaje, ¿vale? Fur or hair keep them warm,
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they keep them warm, les mantiene calientes, ¿vale? Mantiene su temperatura. Most mammals
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have four legs and move on land, okay? They have four legs and move on land. But some
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mammals have flippers to move in water, and the only mammals which have wings are bats.
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So the most important thing is that most mammals have four legs and move on land, but there
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are some mammals have flippers to move in water, and the only mammal that has wings
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is the bat, okay? Now, let's see these three examples, okay? So, we have here the duck-billed
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platypus is a monotreme and as we said, regarding to the reproduction, the platypus, it's oviparous,
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So it's not pipíparo. It means that they lay eggs.
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Then we have the bats. Bats are the only mammals that can fly.
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They are nocturnal, so it means that they are active at night.
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And then we have the dolphins. Dolphins use flippers. They use flippers to move in water.
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They breathe through a hole at the top of their head
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They have a hole here
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Tienen un agujero en su parte de la cabeza
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And they breathe through that hole
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So, that will be the explanation for the vertebrates
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Mamas, for the group of mamas
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And now we are ready to start with the next group
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But before we do that
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I want you to investigate the question number 4 and the question number 5.
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Look, question number 4 is that which is the smallest mammal on the planet?
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¿Cuál es el animal más pequeño en la Tierra?
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A ver quién lo averigua.
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And number 5, which is the biggest mammal on the planet?
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it? ¿Cuál es el mamífero más grande de la tierra? ¿El más pequeño y el más grande? You have to
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investigate, okay? And you will tell me when we go back to classroom. Okay, so now let's finish
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this video and let's start the next one with the birds.
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- Subido por:
- Laura De La C.
- Licencia:
- Reconocimiento - No comercial - Sin obra derivada
- Visualizaciones:
- 85
- Fecha:
- 18 de enero de 2021 - 11:25
- Visibilidad:
- Público
- Centro:
- CP INF-PRI DAOIZ Y VELARDE
- Duración:
- 08′ 19″
- Relación de aspecto:
- 1.85:1
- Resolución:
- 1376x744 píxeles
- Tamaño:
- 312.61 MBytes