into more than one kingdom? In the early days of biology‚ all organisms were classified as either plants or animals. Single-celled eukaryotic organisms such as algae and Paramecium were assigned to one of the kingdoms according to whether they are photosynthetic or not. Fungi and prokaryotes were grouped with plants‚ because fungi are sedentary and prokaryotes have cell walls. A five-kingdom scheme was devised because some organisms don’t fit well into a two-kingdom system of classification. The
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the single-celled organisms known as bacteria. Living things have complex biochemical organizations that allow them to process substances and utilize energy in order to respond to changes around them. b. non-living thing- is no longer living or has never had the traits of life including respiration‚ reproduction‚ movement‚ metabolism‚ sensitivity and growth. Nonliving things do not require energy to continue existing in their current state. c. dead organism- is defined as an organism that lacks‚ or
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perform many other functions characteristic of living organisms. Its only function is to take over the cell’s replication machinery and use it to replicate new virus particles. This activity takes place at a frantic rate. Within an hour an infected cell can produce thousands of new viruses and in many cases the cell will be destroyed in the process. Since so many virus particles are produced by a single cell‚ a virus infection of a multicelled organism can rapidly destroy a great number of cells and thus
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Cloning Today A clone is a group of organisms that are genetically identical. Most clones result from asexual reproduction‚ a process in which a new organism develops from only one parent. The one process of cloning‚ called nuclear transfer‚ replaces the nucleus of an immature egg with a nucleus from another cell. Most of the work with clones is done from cultures. An embryo has about thirty or forty usable cells but a culture features an almost endless supply. When the nucleus has been inserted
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The Zika virus has been calamitous outbreak which effects had reached all corners of the world. The Zika virus is transmitted by a species of mosquitoes named Aedes aegypti that are vectors‚ organisms that transfer diseases from one organism to another. The disease has created mass hysteria as it was hypothesized for Zika causing birth defects in children when mothers contract the disease from the mosquito while pregnant. The virus’s symptoms include rash‚ fever‚ and joint pain. One proposed solution
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(temperature and other physical factors) 4. Producers‚ Autotrophic organisms‚ largely green plantswhich are able to manufacture food from simple inorganic substances. 5. Macroconsumer or phagotrophs (Phago-To eat) Heterotrophic organisms chiefly animals‚ Which ingest other organisms or particulate organic matter. 6. Microconsumer‚ Saprotrophs (Sapho-Decompose) or osmotrophs (Osmo-to pass through membrane) heterotrophic organisms chiefly bacteria and fungi which breakdown the complex compound of
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environment of an organism that produces a response in an organism • Ability to respond to stimuli – increases chance of survival e.g. detect and move away from harmful stimuli • Surviving organisms have greater chance of raising offspring – passing alleles to next generation‚ therefore a selection pressure favouring organisms with more appropriate responses Stimuli – detected by receptiors‚ transform energy of stimulus into a form of energy that can be processed by the organism – leads to response
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● For the organism staphylococcus aureus‚ aureus represent the species level of classification ● Genus is represented by staphylococcus ● Designing organisms in the industrial setting that can provide human products through genetic engineering or clean up environment waste through bioremediation is part of the sub discipline microbiology referred to as biotechnology ● A pathogen is the term used to refer to any disease causing microorganism ● The term ubiquitous is used to refer to the fact that microbes exists nearly
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How Organism Evolved Physiologically Cassi Verkade How Organism Evolved Physiologically Organisms adapt to their environment but what happens when an organism’s surroundings and environment change? Physiological ecology is the study and understanding of that mechanism of living organisms and how living things work. Physiological ecology arises with an understanding of the influence of temperatures. Temperature‚ along with others‚ is one of the most important factors of Physiological ecology
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Biological classification: Theory by Carolus Linneau in the late 18th century‚ Linneaus classified living organisms according to their similarities and differences. We now use Darwins theory of evolution. Cells: Theory by Matthias Schleiden and Theodor Schwann in the 17th century‚ found that the cell is the smallest unit capable of exhibiting all of the characteristics of life. All organisms are made up of cells that come from preexisting cells. Ecosystems: This theory has no ready
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