NS 3º U3 L2 Invertebrates Groups 3-4-5-6 - Contenido educativo
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Hello boys and girls, welcome to a new natural science lesson, in this case, Natural Science Unit 3, Lesson 3, Groups of Invertebrates 3, 4, 5 and 6.
00:00:00
Remember that there are 6 groups of invertebrates, arthropods, mollusks, echinoderms, annelids, cnidarians and sponges.
00:00:14
Today we are learning about echinoderms, annelids, cnidarians.
00:00:39
Group 3, echinoderms.
00:00:44
Echinoderms have a hard, spiky skin.
00:00:50
As you can see, this starfish has a hard and spiky skin.
00:00:56
Echinoderms live on the sea floor.
00:01:04
Group number 4.
00:01:12
Annelids.
00:01:14
Annelids have a soft body and moist skin.
00:01:17
Remember, fish and amphibians also have a moist skin, but they are vertebrates.
00:01:26
Annelids can live on land, in water or in fish.
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Or inside other animals.
00:01:42
Group number 5.
00:01:48
Cnidarians.
00:01:50
Cnidarians have a jelly-like body and tentacles.
00:01:53
Cnidarians live in the sea.
00:02:03
Group number 6.
00:02:09
Sponges.
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Sponges can be...
00:02:13
There are two different types of sponges.
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On the one side, smooth like a feather and mushy like a muffin.
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On the other hand, rough, hard and prickly.
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Sponges live in water.
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Sponges cannot move around.
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What type of invertebrate is this?
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It is a starfish.
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And what group does it belong to?
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Echinoderm.
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What about these jellyfish?
00:02:56
Do you know the group jellyfish belong to?
00:02:58
Cnidarians.
00:03:03
That's right.
00:03:05
What about these?
00:03:07
These are marine sponges and they belong to...
00:03:09
Sponges.
00:03:14
And finally, these earthworms belong to the group of...
00:03:16
Annelids.
00:03:22
Thank you very much for listening.
00:03:24
Bye.
00:03:26
- Idioma/s:
- Autor/es:
- Fernando García Moreno
- Subido por:
- Fernando G.
- Licencia:
- Reconocimiento - No comercial - Sin obra derivada
- Visualizaciones:
- 75
- Fecha:
- 5 de febrero de 2024 - 16:35
- Visibilidad:
- Clave
- Centro:
- CP INF-PRI IPLACEA
- Duración:
- 03′ 28″
- Relación de aspecto:
- 1.78:1
- Resolución:
- 1092x614 píxeles
- Tamaño:
- 14.52 MBytes
