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Unit 11: The Animal Kingdom (I). Invertebrates
EduBook Organización
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Ambulacral system (n): the system of tubes which echinoderms use to move about. annelid (n): an aquatic or land worm with a segmented body. antennae (n): paired receptors on the head of many arthropods…
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Final self-evaluation 10.03 - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 4375 visitas
Complete the following sentences with the missing words: are aquatic invertebrates that filter water to obtain food and live fixed to rocks. Sponges are covered in pores through which water passes to a…
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Final self-evaluation 10.07 - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 4274 visitas
Are the following sentences true or false? Arthropods are invertebrates. Arthropods have bodies divided into antennae, head and abdomen. Arachnids are arthropods with six legs. Centipedes are myriapods.…
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End-of-unit activities - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 4116 visitas
Today our planet is home to a great variety of organisms. This is the result of an evolutionary process that began some 3.5 billion years ago. Invertebrates are a very diverse group of animals that do…
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Final self-evaluation 10.01 - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 4009 visitas
Are the following sentences true or false? Sponges are aquatic animals that filter water to obtain food. Jellyfish are a type of sponge. Cnidarians have venomous cells that paralyse their prey.…
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End-of-unit evaluation - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 3092 visitas
Today our planet is home to a great variety of organisms. This is the result of an evolutionary process that began some 3.5 billion years ago. Invertebrates are a very diverse group of animals that do…
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Initial evaluation 2 - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 2726 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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Final self-evaluation 10.02 - The Animal Kingdom (I). Invertebrates
EduBook Organización
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Complete the sentences with the missing words: worms – cylindrical – Platyhelminthes – planarians – Nematodes – tapeworm – Annelids – environments – filaments are flatworms that can be…
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Some insect groups - The Animal Kingdom (I). Invertebrates
EduBook Organización
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Insects began to fly about 240 million years ago. They are the only invertebrates that are able to fly. With wings, insects were able to spread to all different parts of the Earth, except the seas and oceans.
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Final self-evaluation 10.05 - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 2472 visitas
Decide if the following animals are echinoderms: sea cucumber polyp coral sea anemone starfish crab ophiuroid
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