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Essays in Living Things in their Environment category
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The main aim in the life science lessons is to learn how to handle bacteria, culture bacteria and observe the bacteria.
... the experiment. The results for culturing bacteria from 2 collected sample showed some negative results due to contamination and the differences of the ph level between the LB agar and the sample (Vitagen and Yakult). The two other results (left ...
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The Moral Relationship Between Humans and the Natural Environment
... forms. Together they form a symbiotic ecosystem. The Earth sustains this macro environment. Changes to one aspect of the environment will affect others positively or negatively. Humans have a long history of causing alterations to the environment. Much of this ...
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The object of the experiment is to see how maggots respond to certain stimuli such as light.
... land on the paper, realise what it is moving on, on account of touch, and establish whether it is safe to move and then move. These processes are brought about by the nervous system sending messages from the brain to ...
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The role of constancy in the perception of illusion.
... this theory is the Muller-Lyer illusion. This illusion is a pair of lines, as shown in Figure 2. Figure 2. According to Gregory (a psychologist), the arrows with ingoing fins provides linear perspective cues which suggests it could be the out side ...
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The Structure of Bacteria.
... which is attached to a short peptide chain. Individual glycan strands are cross-linked through peptide bonds between the peptide chains. Gram-negative bacteria contain an outer layer surrounding the cell wall, which is similar to the structure of the phospholipid bilayer ...
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The two aspects of biology that I intend to explore are associated the poison-dart/arrow frogs of Central and South America.
... by virtue of their adhering disks at the end of the fingers. We can assume that poison dart frogs play an integral role in the rainforest ecosystem, acting as predators on small insects and other arthropods. The skin toxins of ...
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The use of Micro-organisms to extract metals from their ores.
... the process. Diagram 1 This causes the bacteria to convert the insoluble sulphide minerals into a solution containing Cu2+, Fe2+, Fe3+ and SO42- ions. This solution can be drained off due to the impermeable base of the piles. Ligand exchange solvent ...
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These displays and the Imax film, Coral Reef Adventure, introduced me to the incredible diversity and crucial roles of some of the Earth's ecosystems.
... 100-foot-long installation, grouped into 28 living categories, displays 3.5 billion years of evolution. There are ten interactive computer stations to help guests recognize the specimens shown in the Spectrum and explain their distribution on Earth. Another element of the hall ...
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This assignment is about planning and designing practical experiment to carry out an investigation of how various antimicrobial agents’ effect new strain of bacterium E.coli (Eschericia coli).
... same * Size of agar plates was also same to keep the size of clear zone to be measured the same. * 0.2cm3 of E.coli used for each plate * incubation temperature was constantly kept at 30oc * Sterilised syringes, forceps and ...
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To find which Antibacterial Substance best Inhibits the Growth of Bacteria.
... to more than one type of antibiotics. Sir Alexander Fleming- (1881 - 1955) was a famous biologist who discovered that some bacterial cultures were contaminated with mould. He identified the mould as Penicillium notatum and thought that it produced a substance ...
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To find which Antibacterial Substance best Inhibits the Growth of Bacteria.
... to more than one type of antibiotics. Sir Alexander Fleming- (1881 - 1955) was a famous biologist who discovered that some bacterial cultures were contaminated with mould. He identified the mould as Penicillium notatum and thought that it produced a substance ...
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To investigate the effect of aerosol deodorants on the growth and multiplication of bacteria.
... if it had not been carried out I may have inadvertently used a bacteria culture with a poor growth rate, and thus making my end results and analysis of the aerosols inaccurate. The work also gave me an indication of ...
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To investigate the relationship between the species richness and distance from a Cedar tree using an interrupted belt transect.
... take note of the pH. Light meter- needed to record the light intensity, and to see if light is a factor, which affects my investigation. 30 cm ruler- used the measure the soil depth when using the soil pin, as centimetres is ...
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To investigate whether pollution affects the diversity of aquatic invertebrate species.
... and sweep the net in the dyke and empty the net into the wash tub with the dyke water in it. Tip the net upside down to do this, but make sure you dip the botton of the net into ...
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To see how Blowfly larvae (Calliphora) react to light.
... or behind panelling. After 8-10 days the pupae wriggle their way into the light and the adult flies emerge. They are immediately able to fly off, mate and start laying eggs. Stereotyped responses are the unlearned behavioural reactions of an organism ...
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To what extent does the physical environment affect life in Antarctica?
... summer (from November to February). There's a strong west wind and atmospheric pressure. On the land the wind is stronger. Winds can reach 200 to 300 kph. The high wind makes the temperature even lower. So it makes Antarctica the ...
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Using Darwin's theory, explain why a female frog produces hundreds of eggs each year during the mating season. Why is reproduction such an important aspect of evolution.
... with anothers for resources, only the more capable will survive. So in a given spscies of frogs, normally a few amount of the born frogs will survive due the normal conditions of life, more will dye because they cannot adapt to the change ...
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Using the streak plate method, compare the effect of two different brands of toothpaste on the growth of five different bacteria.
... loop. Using a prepared set agar plate, open the lid and swipe the loop over the set jelly without breaking it. First swipe the loop down the middle only a third of the way. Then swipe it across so the jelly is ...
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What amounts of vitamin C are in different brands of orange juice.
... colour. Vitamin C is one of the most popular vitamins yet it is also the vitamin most scientists are confused about. Without it an animal would die. Almost all animals make vitamin C in their bodies. Man is the only ...
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WHAT ARE BACTERIA
... Identification Classification deals with taxonomy and studies how organisms can be ordered in taxom=nomic groups. Ideally classification is based on evolutionary relationships (Phylogenetic). Identification is not interested in the relationships between organisms; it aims to put a name to an organism for ...
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What effect does the Buddhist teachingsof metta, karma, anicca, anatta and equanimityhave on the environment?
... beings as equal. This means that Buddhists should not cut down trees as this will mean killing a living being, a tree. If fewer trees are cut down, then the environment will be healthier and safer, as trees (and plants) ...
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What Factors are responsible for the success of Insects?
... successful in terms of diversity and overall numbers, the body plan that has made them so successful has prevented radiation into the sea or the evolution of larger individuals. But the smallness of their size is one of the major ...
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What is Biotechnology? Discuss the use of genetically modified microbes to make new products.
... engineering came about. This is arguably the future of biotechnology, as it allows traits from different species to be combined, thus pooling nature's resources. As you can see the potential for biotechnology as a tool is huge. It is not only ...
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What is so special about the Orchidaceae?
... characteristic but from a whole range that integrates into the plants form and function. Orchids, as stated before, are found all over the world in many different habitats. The temperate zone orchids, like the ones found in the UK are ...
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What is the evidence that that the structure of a plant community is determined by the diversity of the mycorrhizal fungi in the soil?
... the mantle) and send out projections called mycelia which scavenge the soil at a level inaccessible to plant roots (>3µm). This opens up a new world of resources for the symbiont to exploit, which would usually be limiting factors such ...