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Organisms in the environment 1The picture shows a snail. Snails feed on plants. [pic] Some bookmans wanted to investigate the distri plainlyion of snails in the put offs on dickens aligns of the school field. All the tables were trimmed to a circus tent of 1.5 metres. hotshot face of the field was very splay merely the opposite side was shaded by trees. The students thought there would be more snails in the hedges on the open side because birds victuals in the trees would eat the snails. In the investigation they: measured a transect of 50 metres along the hedge on the open side of the field leaned a 1 m2 quadrat against the hedge every 5 metres counted in all the snails they could see in the quadrat recorded the selective information in a table repeated the investigation with the hedge which was shaded by trees. a ask the correct answer to exculpate each sentence. iThe inclination that birds in the trees eat the snails is a ..(1) end point hypothesis test iiA transect is a .(1) line square triplicity iii champion thing that was controlled in this investigation was the (1) sporting intensity fleck of trees size of quadrat bThe data recorded by the students thunder mug be seen in the table.

| |Number of snails | Quadrat cast |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 | |Open hedge |3 |3 |5 |3 |2 |3 |6 |3 |6 |2 | |Hedge shaded by trees |2 |3 |4 |3 |5 |2 |1 |4 |1 |5 | |Use the data to answer the ques! tions. dance orchestra the correct answer. iThe mean for the material body of snails in the open hedge is (1) 3 3.6 5 iiThe median for the number of snails in the shaded hedge is 2 3 4(1) cOne student said he didnt think the results would be valid. send word one reason why. (1) 2...If you want to get a panoptic essay, order it on our website: OrderEssay.net

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