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Feeding Relationships



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Videos and experiments that are suitable for Biology.

4 5c Pyramids
Understand the concepts of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of energy transfer
4.6 Energy and substances in food chains
Understand the transfer of substances and of energy along a food chain



4.7 Energy efficiency
Explain why only about 10% of energy is transferred from one trophic level to the next


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Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

Fraction Concoction Game


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