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- Decadencia del imperio Romano
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Choose. Adaptation of birds
EduBook Organización
- 2015 visitas
Decide if the following characteristics of birds are adaptations for flight: Hornlike beak without teeth. Light skeleton. Internal fertilisation. Aerodynamic shape. Warm-blooded. Respiratory system…
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PROVERS 3
Francisco Cerrillo Docente
- 1 lo usan
- 229 visitas
ANSWERS: A nest of vipers A watched pot never boils A skeleton in the closet A leopard cannot change its spots A penny for your thoughts A knight in shining ...
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Answer true or false
EduBook Organización
- 4457 visitas
Answer true or false: Bones are the soft parts of the human body. The skeleton is made up of all the bones in our body. Our senses help us interact with the world around us. The legs are the upper…
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Complete. Animals
EduBook Organización
- 3246 visitas
Write the following words in the correct spaces: bivalves crustaceans echinoderms sponges internal mammals myriapods molluscs fish reptiles vertebrates The seven main groups of animals are , cnidarians,…
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Initial evaluation 2 - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 2806 visitas
Complete the following sentences with the missing words: are the simplest animals in the world. The bodies of cnidarians and have radial symmetry. have soft bodies and, in general, are protected by a…
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Budding in corals
EduBook Organización
- 2288 visitas
Corals are cnidarians that live in big colonies where thousands of other individual corals grow. Corals reproduce asexually by budding. Each coral starts life as a single individual. The individual…
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Vertebrates
EduBook Organización
- 2119 visitas
Characteristics of vertebrates Vertebrates are animals that have a spine (backbone). The spine supports the body. Vertebrates have an internal skeleton that is articulated: it is made up of bones…
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Experiment. Sponges
EduBook Organización
- 1830 visitas
In some sponges, the interior skeleton is soft, flexible and resistant. We can use these sponges to wash ourselves with. Today, we also use synthetic sponges which are made from different types of…
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Recipe For Strong Teen Bones: Exercise, Calcium And Vitamin D
V&V Books Vicens Vives Organización
- 1085 visitas
These days teenagers shun milk and reach for the energy drinks. That doesn't bode well for their bones, since most of the adult skeleton is built between ages 9 and 14. Calcium and vitamin are…
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The skeletal-muscular system
EduBook Organización
- 6605 visitas
Our skeleton is made up of bones. These are living organs in our body that grow at the same rate as we grow. If they break, they can mend themselves. Some bones protect important organs in our body,…
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