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PRIMARIA - 4º - VERTEBRATES - NATURALS - FORMACIÓN - Contenido educativo
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All vertebrates have a backbone, but how they breathe, how they reproduce, and what they
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eat can be different, even within a group.
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All animals need oxygen to live.
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Mammals, reptiles, and birds breathe with lungs.
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They use lungs to take oxygen from the air.
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Fish use gills to take oxygen from the water.
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Water enters the mouth and goes through the gills so they can get oxygen.
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Amphibians have gills when they are young and live in water, and later develop lungs
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live on land. Reproduction. Reproduction. All mammals are born directly from their
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mother. They are viviparous. Mammals also produce milk to feed their babies and
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look after them for a long time. All other groups reproduce by laying eggs.
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They are aviparis. Some eggs have a hard shell, such as chicken eggs. Other eggs
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are soft, such as frog eggs and fish eggs. Nutrition. Nutrition. Most vertebrates are
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omnivores. This means they eat plants and other animals. Other vertebrates are
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carnivores. This means they only eat other animals.
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Some mammals, fish, and a few birds are herbivores. This means they only eat plants.
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Almost all reptiles and amphibians are carnivores.
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Remember, carnivore means they only eat other animals.
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- Idioma/s:
- Autor/es:
- CEIP SANTO DOMINGO
- Subido por:
- Cp santodomingo algete
- Licencia:
- Reconocimiento - No comercial - Sin obra derivada
- Visualizaciones:
- 143
- Fecha:
- 5 de octubre de 2020 - 18:09
- Visibilidad:
- Público
- Centro:
- CP INF-PRI SANTO DOMINGO
- Duración:
- 02′ 52″
- Relación de aspecto:
- 1.78:1
- Resolución:
- 1280x720 píxeles
- Tamaño:
- 33.26 MBytes