This method compares the density of stomata of mesophytes (most land plants) to xerophytes (adapted to dry conditions) through making leaf impressions.

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Updated from section 14 of the CLEAPSS handbook, this short note provides useful information on safe and humane practices with animals

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This guide demonstrates how to set up both a bubble and mass potometer.

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This guide outlines both how to observe stomata using three different methods including direct viewing, epidermal peel, and making a leaf impression. The second half the guide demonstrates how to open.. more

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This edition includes notes on suggested  problems with MDF, laser pointers, storage problems with silicon tetrachloride, issues with fume cupboard testing, a novel method for drying gases, and proble.. more

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