... plants are better adapted for acidic soil whilst others may be better suited for alkaline soil. I am not sure how coppicing will or whether it will affect the acidity of the soil so I will need to investigate this. ...

... even right down to the ground to prevent them from overgrowing. Coppicing allows vigorous growth of new shoots, and as a result trees and shrubs which are cut down this way, can produce shoots that grow over 30cm in a ...

... is measured by the rate of microbial respiration, which is indicated by a fall in pH. A fall in pH is due the accumulation of lactic acid. The accumulation of lactic acid occurs when the density of bacteria increases through ...

... quadrat (50cm by 50cm) every metre to identify the species present in that qaudrat[Appendix 9]. The aim of the transect line (beach profiling) is to help describe the pattern of distribution of organisms according to the height above sea level, ...

... why they may be found in damp conditions. The external structure (fig.1) shows a hard exoskeleton, which is shed at intervals throughout their lives in order that they can grow longer. The exoskeleton consists of segments and the first section ...

... every minute for 5minutes. I shall make sure I will wear goggles to protect my eyes from the boiling hot water. I shall tuck my tie into my shirt so that does not caught on any apparatus. Long hair shall ...

... this will show whether the number of species found is significantly correlated to the BMWP score. I will therefore need to collect over 12 sets of data to make statistically analysing the data productive. Variables The variable that I will be looking ...

... of the woodlice. CONCLUSION The results show that woodlice preferred damp conditions rather than the dry conditions since they congregated in larger numbers in the area of highest humidity. In the damp side the total number of woodlice found was 85 and ...

... of moisture in the air is about equal to that of in the hottest deserts. It is the windiest place on Earth; 320 km per hour gusts of wind have been recorded. Being almost twice the size of Australia, it ...

... led a team of researchers at Oxford in transforming a scientific observation into the century's greatest practical weapon in the fight against infection. Florey and his team dried the penicillin 'juice' from Fleming's mould (which had been stored in a ...

... the bacterium S. albus. Method Ensure that safety goggles and a lab coat are worn. Using the aseptic technique 3 petri dishes are set up individually. (See Diagram 2) Before starting disinfect the work surface to avoid contamination. Experimental Dish 1 Step 1 Using a sterile pipette, ...

... mean the disease has gone away. Prescribed drugs should be taken until all the medicine is gone so the disease is completely finished. If it is not, then this will just give the bacteria some time to find a way ...

... psychological. (3) This result in them being oversubscribed when only a small percentage of people actually need them. Due to this reason this is why people can become addicted as they are always given to them and are seen as ...

... can only be seen through a microscope because they have only one cell and are around 1µm in diameter. In both bacteria and Cyanophyta, the cells have rigid walls. Bacteria have external flagella, which aid movement. Cyanophyta never have flagella. ...

... took out a sharp knife that was bloodstained, and he cut off all of the fins on its body. During this process, the shark was still alive. After all its fins were cut off, the shark would not died yet, ...

... the agar make sure you don't breathe in deeply because it contains the nutrients that the bacteria needs to cause damage. Method: Before we had begun our experiment we cleaned my table using the disinfectant, we rolled up our sleeves and ...

... being contaminated with the cultures. * Cover all cuts Procedure 1. Collect all sterilised equipment and put on the tray that has already been disinfected. 2. Collect 10cm3 of the water sample in a sterile test tube and cover. 3. Prepare 4 serial dilutions of ...

... up the sample of agar jelly and flamed the neck of the bottle. I then removed the cap. 4) With the cooled loop, I removed a small amount of agar jelly. 5) I then flamed the neck and recapped the bottle. 6) I ...

... and conservationists was made public: on a worldwide scale one in every 8 plant species is presently facing extinction. The United States is the statistical leader among nations that harbours whole strains of soon-to-be-obliterated plants. According to the World Conservation ...

... lying about in the sun in the mornings. So basically, desert lizards adapt to the weather by altering their colours (depending upon the ambient temperature), by basking in the sun to absorb heat in the mornings, or by seeking shelter to ...

... are used in biochemical processes to produce energy for the bacteria in order to reduce the oxygen in water. Stage 2 The bacteria then oxidise the Fe2+ to Fe3+ (whilst reducing the oxygen). Fe2+ -> Fe3+ The bacteria then oxideses the metal to ...

... both characteristics are required. Bacteria are also able to live on people's unwashed hands and invasive, prosthetic materials, such as plastic catheters, for long periods of time, allowing bacteria to invade patients in hospitals very easily. One such species ...

... a region susceptible to disease. Reduced species diversity has many knock-on effects such as allowing a pest species to get out of control, fewer plants due to the lack of pollinating insects and a loss of species that may be ...

... optimum conditions for these bacteria are pH 2-3 and temperature 20?C- 55?C. Therefore, the pile is sprayed with an acidified solution containing the bacteria. Overall, the bacteria convert the insoluble chalcopyrite into a solution containing Cu2+, Fe2+, Fe3+ and ...

... the insoluble sulphide minerals into a solution of Cu , Fe , Fe and SO4 ions. Due to the piles sitting on the impermeable base layer, it's easy to drain off the solution carrying the copper ions. The next stage ...