Recent Posts

I-MOLD: Interactive Model of Leaf Decomposition

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The goal of this project is to explain leaf decomposition and how it relates to the Earth's carbon cycle and climate. This website contains a series of animated lessons about decomposition, an interactive model that lets you predict how different types of leaves will decompose in different climates,…

Lab Practical. Gravitropism: The role for roots

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This experiment using agar plates and white mustard seeds allows students to visualise the development of roots, their root hair cells, and observe the zones of elongation and differentiation. They will then use a graticule to measure their length. Students can then extend their investigations to observe…

Lab Practical: The effects of gibberellic acid

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Students grow both wild-type and dwarf rosette mutants of Wisconsin Fast Plants and experiment with application of gibberellic acid to help provide a visual example of the effects of this plant hormone on plant growth and development. View resource See also Investigating Plant Physiology with Wisconsin…

Root tip mitosis practical protocol for A-level biology

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Science and Plants for Schools (SAPS) develops lots of useful resources for teachers of the UK's A-level biology syllabus (OCR, AQA, EdExcel and Eduqas specifications). This is an improved and simplified protocol that allows students to observe mitosis in root tips. Toluidine blue is used to stain…