Recursos educativos external relations página 9

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True/false. Characteristics of fish
EduBook Organización
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Are the following sentences true or false? The operculum protects the gills of cartilaginous fish. Most fish reproduce through external fertilisation. The lateral line of fish captures information about…
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Complete. Fertilisation
EduBook Organización
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Complete the text about fertilisation with the correct words: internal reptiles ovum Internal mammals female external Fertilisation of the by the sperm takes place in one of two ways: inside the body of…
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Video: Cellular Visions, The Inner Life of a Cell
Tiching explorer Organización
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This 8 minute 3D animation shows molecular mechanisms, for example how white blood cells sense and respond to their surrounding and external stimuli. Since there is no script, we may try to explain all…
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Complete. Molluscs
EduBook Organización
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Write correct words to replace the underlined ones: tentacles cephalopods cuttlefish shell The majority of molluscs have a hard external covering called a valve . However in gastropods , if it exists,…
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Self-assessment T01 06 - Our planet Earth
EduBook Organización
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Are these sentences true or false? The process of erosion takes places before the process of weathering. Sedimentation is the process of depositing materials. Transportation takes place after the…
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Changes in the Earth's surface
EduBook Organización
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The Earth's surface is constantly changing. Most of these changes happen over millions of years. As a result, we do not notice them. These changes are called geological forces. There are two…
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Amphibians
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2.1. Characteristics of amphibians Amphibians were the first vertebrates to colonise land, even though they still depended on water to reproduce. Amphibians can be divided into two groups: Anurans do…
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Complete. Bacteria
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Complete the following sentences with the missing words: The Monera kingdom is made up of unicellular and cyanobacteria, or blur-green . Bacteria are classified according to the external . Spherical…
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Before you start - Our planet Earth
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Didactic objectives Recognise the three parts of our planet: the geosphere, hydrosphere and atmosphere. Describe the layers of the geosphere: the crust, the mantle and the core. Identify the tectonic…
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Check. The age of developmentalism (1957-1973)
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Remember what you have studied in this unit and answer the questions: Make a concept map to summarise the changes that took place in Spain from the 1950s to 1973. Debate. Were the causes of the economic…
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