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Active transport
The use of energy to move particles across a cell membrane from a lower concentration to a higher concentration. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Nephrons
Microscopic structures in the kidney that filter blood and produce urine. 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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Fungi
Discover the magical world of fungi. Neither plant nor animal, they are a separate classification of living organism. Biology - Ecosystems - Learning Points. Fungi are neither plant nor animal. Most fungi are made up of networks of...
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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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Deforestation
Discover how the destruction of the rainforest impacts ecosystems, and begins a cycle that contributes to global warming. Earth Science - Human Impacts - Learning Points. Forests are home to 70% of Earth's land animals and plants....
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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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Carbon Capture: Phytoplankton
Phytoplankon - microscopic marine plants - could help prevent global warming. How would they do this? And is it right for man to interfere with nature in a bid to save the planet? Human Geography - A Changing World - Learning Points....
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Malnutrition
Malnutrition is the biggest risk to health worldwide. It has become a common problem in the developing world. What is it and how does it develop? Biology - Healthy Living - Malnutrition is a chronic lack of nutrients. Malnutrition is the...
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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....
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Balanced Diet - Nutrition Essentials
Discover which foods are vital for a healthy diet. What should you be eating, how much, and why? Biology - Healthy Living - Learning Points. You need a balanced diet to be healthy. A balanced diet is varied and contains different amounts...
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Asellus Blood Flow
We use a microscope to examine the blood flow in the open circulatory system of asellus aquaticus. We are able to see the haemolymph moving through its limbs in different directions. Biology - Human Body - Learning Points. Large...
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Life Cycle Nutrition
From newborn babies to the elderly, changes to our diet at are vital as our age progresses. Find out how different nutrients help our bodies function at different stages in life. Biology - Healthy Living - Our nutritional needs change as...
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Transpiration
The loss of water vapour from plants to the atmosphere. 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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Phloem
The tube-like tissue in plants that carries nutrients, including sugar and proteins, from cells in which they are made to where they are needed elsewhere in the plant. A Twig Science Glossary Film. Key scientific terms defined in just 60...
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Food chains – Did you know?
Did you know that dung beetles decompose waste products, making them an important part of the food chain? Life processes - Living things in their environments - Food chains Learning Points Decomposers break down organic material and...
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What is soil?
Discover the millions of microorganisms in soil. Material processes - Classifying materials - Soil Learning Points Soil is a mixture of rock particles, organic matter, air and water. Soil is formed over many years when rock is weathered...
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Food's incredible journey
Follow the incredible journey of food inside the body. Life processes - Body systems - The digestive system Learning Points The digestive system breaks down food and extracts the nutrients. A Twig Curriculum Film. Delivering key learning...
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What is a Balanced Diet?
Discover the key to a balanced diet. Life processes - Humans and other animals - Diet and exercise Learning Points A balanced diet contains all the nutrients the body needs. The body also needs protein, vitamins, carbohydrates, fats and...
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The intestines
Case study of the role of the intestines in digestion. Life processes - Body systems - The digestive system Learning Points The intestine is divided into the large and small intestine. Nutrients from food are absorbed into the...
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Parts of a Plant - Plant Anatomy
Learn all about the parts of a plant. Life processes - Green plants - Parts of a plant Learning Points Leaves use water, carbon dioxide and sunlight to carry out photosynthesis. Root hairs absorb water and nutrients from the soil. The...
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Organic farming
Explore how organic farming maintains the health of the environment. People and places - Environmental awareness and care - Caring for the environment Learning Points Organic farming avoids the use of chemicals. Plants that naturally...
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Adaptation - Survival Mechanisms
Discover the incredible ways in which animals and plants adapt to their environments. Life processes - Living things in their environments - Adaptation Learning Points Plants and animals adapt to their environment in order to survive....
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In the shadow of a volcano
Learn about the surprising benefits a volcanic eruption can bring to an environment. Life processes - Living things in their environments - Role of the environment Learning Points Natural disasters and changing weather can affect...
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Body systems
Find out how our body systems are interrelated. Life processes - Body systems - The brain and body Learning Points Respiration is the processing of oxygen in cells to produce energy and carbon dioxide. A Twig Curriculum Film. Delivering...