Of all the species that have existed on Earth 99 percent have gone extinct and even fewer make it into the fossil record and a very small fraction of those that fossilize are actually found even partially complete. Even if all of them did fossilize many would be too hard dig for many of them. And also it is highly unlikely that most would be found complete‚ due to the number of natural disasters and processes that have happened from the animal’s death to whenever it is discovered. Natural disasters
Premium Fossil Evolution Paleontology
the two experiments was to determine the fundamental effects that temperature has on the growth and survival of bacteria. During the first experiment five different bacterial broth cultures of Escherichia coli‚ Pseudomonas fluorescens‚ Enterococcus faecalis‚ Bacillus subtilis and Bacillus stearothermophilus were individually incubated at temperatures of 5‚ 25‚ 37‚ 45 and 55°C for one week in an aim to distinguish the effect temperature has on growth and survival of the five different species. After
Premium Bacteria
"The Unknown Citizen" is an occasional poem. That is to say‚ it is a poem written to mark a specific occasion or event. The occasion is indicated in the lines contained in parenthesis that precede the body of the poem. As these lines indicate‚ the poem is a written monument that functions like a cenotaph: it commemorates a fallen man whose identity is unknown. However‚ unlike the soldier who falls in a battle of war‚ the battle this individual appears to be unwittingly a part of is a social battle
Premium Rhyme Grammar Poetry
The role of bacteria in the soil Bacteria in the soil play key role in recycling matter in to useful nutrients which can be used by growing plants. This process of recycling matter in the soil by living organisms is called biogeochemical cycle. Bacteria are improving plants growth in other ways too‚ for example bacteria‚ such as Rhizobium‚ are in symbiotic relationship with the root system of some terrestrial plants. The most important elements‚ which allow terrestrial plants grow well‚ are
Premium Nitrogen Ammonia Metabolism
The Unknown can take the form of anyone‚ anytime‚ or anyplace‚ that feeling you get that makes you uncertain about your future‚ is fear. Fear can be disguised as many other emotions such as anxiety or anxiousness. “Butterflies” do not exist; they are really the fear of not knowing how the immediate upcoming events will turn out or affect you and everyone close to you. There is no such thing as thinking you know something‚ there is simply knowing and not knowing‚ therefore resulting in the fear
Free English-language films Fear Emotions
The species richness is when we talk about the actual number of species in a community. For example‚ if you go to a bottom ground forest you might see only sugar maple. Therefore‚ the species richness is only 1. Shannon Index measures species diversity too‚ but takes into account species evenness. Species evenness is when the relative abundance of the species in that community are more similar to each other. So by knowing that you have more similar species‚ this allows you to more accurately determine
Premium Biodiversity Species Ecology
The Unknown Girl By Moniza Alvi The title ‘unknown girl’ may suggest that the poetess is in search of her roots‚ culture‚ traditions and heritage. She is unknown to her country‚ the place from where she belongs. She is trying to find out more about her home-country. This poem is a first-person narration from the poetess’ point of view. It us a free verse‚ autobiographical poem which is written in a single stanza containing many local dialects‚ for instance‚ ‘bazaar’‚ ‘hennaing’‚ ‘kameez’ and
Premium Poetry Culture The Culture
Antibiotic Resistance in Bacteria For about 50 years‚ antibiotics have been the answer to many bacterial infections. Antibiotics are chemical substances that are secreted by living things. Doctors prescribed these medicines to cure many diseases. During World War II‚ it treated one of the biggest killers during wartime - infected wounds. It was the beginning of the antibiotic era. But just when antibiotics were being mass produced‚ bacteria started to evolve and became resistant to these medicines
Premium
Momordica charantia L. Extract as a Prophylactic Medicine for Gram-Negative Bacteria Escherichia coli Proponents: John Rovic P. Ngo Lester T. Almarez Trisha Mae N. Reyes August 2013 In Partial Fullfillment of the Requirements in Research II-B Momordica charantia L. Extract as a Prophylactic Medicine for Gram-Negative Bacteria Escherichia coli A Science Research Project Presented to The Faculty of Science and Technology Mr.June Hayden Sinson Research Adviser
Premium Escherichia coli Bacteria Microbiology
The Unknown Citizen "The Unknown Citizen" by W.H. Auden‚ is a commentary on government and the materialism of modern man. The poem is written in the form of an obituary inscribed on a monument built by the government in commemoration of an average‚ upstanding‚ and decent community member. Throughout the passage‚ the speaker lists facts about the citizen’s life which he believes prove that the deceased was a valuable person. In actuality these facts represent nothing more than the socially accepted
Premium The Unknown Citizen Emotion W. H. Auden