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Final evaluation 08 - Animal reproduction
EduBook Organización
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Turtles lay their eggs and abandon them. Birds lay their eggs and look after their young until they are adults. What are the advantages and disadvantages of the two systems?
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Did you know... Marine species
EduBook Organización
- 2247 visitas
Some marine species, such as dolphins, turtles and birds, become accidently trapped in large fishing nets. When the nets are collected, the fishermen throw these animals back into the sea, but they are…
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Describe. The characteristics of vertebrates
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With a word or short phrase describe the following characteristics in fish, amphibians, birds and mammals: Type of skin. Shape of body. Appendages. Respiratory aparatus. Body temperature regulation.…
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Vertebrates
EduBook Organización
- 1 lo usan
- 7457 visitas
What are vertebrates? Vertebrates are animals that have bones and a spinal column. They also have a head, torso and limbs. Groups of vertebrates We can classify vertebrates into five groups: Mammals…
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Vertebrates
EduBook Organización
- 6258 visitas
What are vertebrates? Vertebrates are animals that have bones and a spinal column. They also have a head, torso and limbs. Groups of vertebrates We can classify vertebrates into five groups: Mammals…
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An example of the overexploitation of water
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The Ebro Delta has a surface area of 320 square kilometres. It is the second largest wetland area in the western Mediterranean after the French Camargue. The Delta is home to many different species of…
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Final self-evaluation 11.08 - The Animal Kingdom (II). Vertebrates
EduBook Organización
- 4312 visitas
Are the following sentences true or false? Reptiles have waterproof skin. Reptiles breathe through gills. A fish's swim bladder gives it information about its surroundings in the water. Birds have…
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Video: Classifying animals
Tiching explorer Organización
- 5 lo usan
- 4100 visitas
This video introduces the concept of animal classification by showing how scientists separate animals into two main groups (vertebrates and invertebrates), and after intro sub-groups (insects, fish,…
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Final Autoevaluation 4.01 - Animal reproduction
EduBook Organización
- 3300 visitas
Answer true or false. Only birds are oviparous. Ovoviviparous animals reproduce through internal fertilisation. We talk about incomplete metamorphosis when there is a chrysalis stage. The mating season…
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