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Vitamin
An organic compound required by organisms in very small quantities for growth and to maintain good health. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Fossil
Any trace of an animal or plant that lived a very long time ago. 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...
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Gene
The unit of inheritance in organisms, generally consisting of a piece of DNA that encodes the production of a specific protein. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Clone
A genetically identical copy of a piece of DNA, or an entire 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...
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Pyramid of numbers
A diagram used to represent the number of individual organisms occupying each feeding level of a food chain. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Classification
The grouping of organisms into categories with similar features. 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...
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Algae: Simple Photosynthetic Organisms
Very simple organisms that can photosynthesise like plants, but do not have complex features such as roots, stems, or leaves. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Interdependence of living things
Mutual dependence between organisms or systems. 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 concepts...
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DNA
Deoxyribonucleic Acid, the molecule that stores and passes on genetic information that determines how an organism develops and functions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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Genetic engineering
A group of techniques used to manipulate an organism's DNA. 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...
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Chromosome
A threadlike strand of DNA and associated proteins in the nucleus of eukaryotic cells, and the functional units of inheritance. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Predator
A predator species is one that kills and eats other organisms for food. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Food Chain - Energy Flow in Ecosystems
A food chain simply states which organisms consume each other, and shows how energy moves through living things in an ecosystem. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Migration
The movement of organisms from one place to another at certain times of the year, or at certain points in their life cycle. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Golden Jellyfish
Welcome to Jellyfish Lake – home to the unusual golden jellyfish. Biology - Animal Kingdom - Learning Points. The golden jellyfish is a unique subspecies, found in just one lake in the Republic of Palau. Golden jellyfish have a symbiotic...
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The Elements: Iron
Iron is crucial in many areas of life: it is found in our blood, as well as being used to build bridges. Chemistry - Periodic Table - Learning Points. Iron is one of the most common element on Earth. Iron is found in living organisms....
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Factpack: Bacteria
Find out about these tiny life-forms that have the potential to determine the big things in life, such as whether we live or die. Biology - Cells And DNA - Learning Points. A Twig FactPack Film. Open a discussion on what has been already...
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Factpack: Classification
Discover the systematic grouping of organisms according to the structural or evolutionary relationships among them. Biology - Adaptation And Evolution - Learning Points. A Twig FactPack Film. Open a discussion on what has been already...
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Parasitic Plants
Different species of parasitic plants steal nutrients from host species in order to survive. Sometimes this ends in the death of the host. Biology - Plants - Learning Points. Parasitic plants derive some or all of their nutrients from...
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Adaptation - Survival Traits
Examples of physical and behavioural adaptations which allow plants and animals to survive in some of the most challenging habitats on Earth. Biology - Adaptation And Evolution - Learning Points. Animals and plants survive in diverse...
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Lichen: Indicator Species
Lichens exist in extreme environments where other life struggles to survive. But these tough species cannot tolerate pollution, and reflect the health of ecosystems. Biology - Ecosystems - Learning Points. Lichens are organisms that can...
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What is a Food Chain?
How energy is passed through living things can be described as a food chain. Journey through a food chain, from primary producers at the bottom to tertiary consumers at the top. Biology - Ecosystems - Learning Points. A 'food chain'...
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Origin of Species
How are new species created? An insight into the key evolutionary processes, played out over many generations, which lead to speciation. Biology - Adaptation And Evolution - Learning Points. We all originate from a single cell, so why...
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Pollution: Water
How does water get polluted? Discover what water pollution means for the environment and how it affects humans. Earth Science - Human Impacts - Learning Points. Industry, agriculture and sewage all contribute to water pollution....