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Biology
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Living Things in their Environment
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Essays in Living Things in their Environment category
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Essay Title
Rating
I will be working in a freshwater environment measuring certain variables in order to investigate my hypothesis, which is as follows - My hypothesis is that there will be wider species diversity with increasing oxygen saturation.
I will do three different practical experiments to investigate the growth and isolation of bacteria and the characteristics of different microbes. They are:Pouring Streaking Environment
Immune system.
Impact of Agriculture on the Physical Environment - Loss of natural habitat.
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In this investigation, two different shores with different levels of exposure were surveyed. Based upon this survey, the level of exposure for each shore was determined using Ballantines exposure scale.
Increases in population size leads to an increase in deforestation, pollution and the loss of habitats which all make higher demands on the earth’s resources. Wildlife and
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Introduction to bacteria
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Investigate the Effect of Anti-Bacterial Products on the Growth on Skin Bacteria
Investigate the mean doubling time and growth stages of E-coli
Investigating adaptation, competition and zonation of barnacles, Chthamalus stellatus (Poli) and Balanus balanoides (Linneas) on a semi-exposed southwestern seashore.
Investigating reflex behaviour in an invertebrate organism
Investigating the effect of four antibiotic agents on gram positive and gram negative bacteria.
Investigating the habitat of woodlice.
Investigation - Examination of bacterial sensitivity on antibiotics.
Investigation into Flat Periwinkles on a Sheltered Shore.
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Investigation into Temperature Regulation in Animals
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Investigation of Animal Behaviour
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Investigation of Ecology on Four Sites on the River Nar
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Investigation of the effectiveness of sunscreen factors in preventing the damage of growth of V.nat in UV. Light
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Is chlorhexidine more effective than tea tree oil
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Is the preferred habitat of moss on the North side of a Yew Tree or the North side of an Oak Tree?
Isolation of a urea degrading bacteria.
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Life In the Freezer
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Liquid culture (E.coli in this case) is diluted to reduce the number of organisms per unit volume. This is necessary when numbers are being counted, and counting too may organisms may be inaccurate. Serial dilutions are made
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Literature Review on Germination of Orchid Seeds.
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