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Uterus
Also known as the womb, the uterus is a pear-shaped, hollow, muscular organ in mammals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Fertilisation - Fusion of Sex Cells
The fusion of two sex cells to create a new organism. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
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Ovum
Or egg, is the unfertilised female reproductive cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
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Peristalsis
Wave-like muscle contractions, such as those used to move food through the digestive system. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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Conception
Another word for fertilisation - when two sex cells combine to create a new organism. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Remora Fish
The remora fish has a unique way of conserving energy. Biology - Animal Kingdom - Learning Points. Remora fish have a large suctorial disc on their heads, which they use to hitch a ride on bigger fish. Remora fish feed on parasites that...
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Echidnas
An introduction to the echidna - one of the world's few egg-laying mammals. Find out what it looks like, where it lives, and what it eats. Biology - Animal Kingdom - Learning Points. Egg-laying mammals are called monotremes. The echidna...
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African Lions
Lions are one of the most social big cats. Watch how lionesses hunt as a team to catch their prey. Biology - Animal Kingdom - Learning Points. Female lions live together in prides. Male lions form coalitions that compete for possession...
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African Elephants
The African elephant matriarch leads her herd hundreds of kilometres across the desert each year to find fresh food and water. Biology - Animal Kingdom - Learning Points. During the dry season, African elephants must travel hundreds of...
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Grizzly Bears - Surviving Winter
The grizzly bear must store up to one million calories to survive through winter hibernation. As a result, this mammal's waking life revolves around food. Biology - Animal Kingdom - Learning Points. Grizzly bears need to build...
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Duck-Billed Platypus
An introduction to the duck-billed platypus - one of the world's few egg-laying mammals. Find out what it looks like, where it lives, and what it eats. Biology - Animal Kingdom - Learning Points. The duck-billed platypus is native to...
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Gelada Baboons
Gelada baboons have developed a complex system of social interactions to survive. They have even formed an alliance with other grazing species. Biology - Animal Kingdom - Learning Points. Gelada baboons are the most sociable monkeys on...
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Koala
Koalas sleep for 22 hours of the day. Why is this? Discover the lifestyle of this marsupial, which lives in very distinct social groups. Biology - Animal Kingdom - Learning Points. Koalas are marsupials. Koalas sleep for up to 22 hours...
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Forest Elephants
The forest elephants of Africa come from far and wide to find a vital part of their diet - clay. Biology - Animal Kingdom - Learning Points. Forest elephants create jungle trails. Forest elephants live in smaller groups than their larger...
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Sloth
Discover the reason for the sloth's slowness and how this has been an evolutionary advantage. Biology - Animal Kingdom - Learning Points. Sloths lead a solitary life consisting of minimal physical activity. Sloths descend from the forest...
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Little Breathers
Find out how humans can overcome biological responses to hold their breath underwater for several minutes. Biology - Human Body - Learning Points. When we hold our breaths, our lungs signal the brain to start breathing again. The human...
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What is a Mammal? - Mammal Characteristics
What is it about the way mammals are born, and reared, that makes them unique in the animal kingdom? Learn the major characteristics that make a mammal, a mammal. Biology - Animal Kingdom - Learning Points. Mammals are warm-blooded...
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Elephants
The lives of Asian and African elephants, from what they eat, to where they live, and what's threatening them. Biology - Animal Kingdom - Learning Points. There are two main species of elephant - African and Asian. African elephants are...
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How Do Animals Fly?
Biological evolution has allowed some animals to fly. Find out exactly how their wings work to achieve this. Physics - Forces - Learning Points. Flight occurs when the upward force is greater than the downward. Flight is explained by...
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How Did Mammals Evolve?
An introduction to the ‘mammal-like reptiles’ that walked the Earth millions of years before the dinosaurs – and from which all modern-day mammals would eventually evolve. Biology - Animal Kingdom - Learning Points. Early reptiles split...
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Urea
An organic compound containing nitrogen that plays an important role in animal metabolism, and is excreted in the urine of mammals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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What is a Reptile?
Discover the five distinct features that unite all reptiles and the characteristics that they share with mammals, birds and fish. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get...
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Marsupials
An introduction to the marsupials of Australia and South America. What is a marsupial? What do they eat? And how do they raise their young? Biology - Animal Kingdom - Learning Points. Marsupials are a type of mammal. Marsupials give...
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Evolution: The Evidence
When Darwin first proposed the theory of evolution by natural selection 150 years ago it was revolutionary. What scientific evidence supports this theory? Biology - Adaptation And Evolution - Learning Points. Since Darwin proposed his...