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I am doing an investigation in to how humidity effects a woodlouse's movement.
Member rating: No Rating | Words: | Submitted: Wed Sep 10 2003
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Biology Sc1 The Plan: Simple procedure: I am doing an investigation in to how humidity effects a woodlouse's movement. To do this I shall measure the amount of time that the woodlice stay still in a petri dish for one minute, while changing the humidity by adding more or less water to the filter paper. I shall investigate how the woodlouse helps to prevent excess water loss and so is able to successfully live in a range of terrestrial habitats. Secondary sources: Woodlice can be classed biologically as crustaceans because they have a hard outer shell. The woodlouse evolved from sea-based life forms as opposed to insects for example, which evolved from land-based life forms. A woodlouses skin is therefore permeable and it thus lets out a lot of essential fluid (water.) If the woodlouse did not live in damp places it would dry out as the water they had would quickly leave their bodies...
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