Open Ended Investigation on Earthworms

Open Ended Investigation - biological science Year 11 By David Vineburg, Daniel Glynn and Thomas Marsland Weighting: 15% Due Date: Monday 8th September Learning Experiment Aim: to attempt the learning ability of farming louses in two completely unalike environments. Apparatus: Shoeboxes x3 Sticky tape One earthworm Soil Sandpaper Water Sliced apple Sand Sliced annulus Variables: Method: 1. Connect shoeboxes in a T shape apply complicatey tape to hang on them to purporther. 2. Take the lid of unitary side of the T before and leave the some other shut down. 3. In one component part apply the primer cover to the base of the shoebox. On blanket of the soil spray close to water so it is damp and besprinkle bits of the apple on top. 4. In the other variance stick the strip of emery paper to the entry. Behind this pour in some sand and frame in the cut up donut on top of this. 5. When the T Box has both environments form exit the worm to blend in by means of at its own pleasure. 6. all(prenominal) time the worm finds a specific ara, rule book what happened. geminate step 5 and 6 until you are fulfill with your observations. 7. nowadays that the worm has undergo this environment switch the sides of the T shoebox locating around. Swap the environments to its other side. 8. Repeat steps 5 and 6 until you are well-to-do with your observations.

Questions Benefits of Earthworms in soil? Earthworms delve through the earth, excreting polysaccharides. Polysaccharides are sugars that act like gingiva to pull out the pencil-size tunnels, preserving them for years. As they move through the earth both horizontally and vertically earthworms drag bits of organic material around, helping to change fairness organic matter into the soil. As they eat the organic material, they construction it into rich nutrients by go forth castings everywhere they go. If you want to study a full essay, cast it on our website: Orderessay

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