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Newly Identified Diseases that are becoming more prominent. |
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Any agent (usually a virus, bacterium, fungus, protozoan, or helminth) that causes a disease. |
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Decomposition of harmful chemicals by microbes or consortia of microbes. |
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A field involving deliberate alterations (recombinations) of the genomes of microbes, plants, and animals through special technological processes. |
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| A specialized area of biology that deals with living things ordinarily too small to be seen withour magnification, including bacteria, archaea, fungi, protozoa, and viruses. |
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Invisible to the naked eye.
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A living thing ordinarily too small to be seen without magnification; an organism of microscopic size |
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An organism of microscopic size. |
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| Category of prokaryotes with peptidoglycan in their cell walls circular chromosome(s). This group of small cells is widelydistributed in the earth's habitats. |
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Microscopic, acellular agent composed of nucleic acid surrounded by protein coat. |
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Macroscopic and microscopic heterotrophic eukaryotic organisms that can be uni- or multicellular. |
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A group of single-celled, eukaryotic organisms. |
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| Photosynthetic, plantlike organisms that generally lack the complex structure of plants; they may be single-celled or multicellular and inhabit diverse habitats such as marine and freshwater environments, glaciers, and hot springs. |
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Visible to the naked eye. |
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The study of the system of the body defenses that protect against infection. |
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The study of the factors affecting the prevalance and spread of disease within a community. |
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The use of microbes or their products in the commercial or industrial realm. |
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The entry, establishment, and multiplication of pathogenic organisms within a host. |
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Small cells, lacking special structures such as nucleus and organelles. All prokaryotic cells are microorganisms. |
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| A cell that differs from a prokaryotic cell chiefly by having a nuclear membrane (a well-defined nucleus) membrane-bounded subcellular organellesm, and miotic cell division. |
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| An organism that lives on or within another organism (the host), from which it obtains nutrients and enjoys protection. the parasite produces some degree of harm to the host. |
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Organism in which smaller organisms or viruses live, feed, and reproduce. |
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Early belief that living things arose from vital forces present in nonliving, or decomposing, matter. |
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The belief in spontaneous generation as a source of life. |
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The belief that living things can only arise from others of the same kind. |
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| Principles and procedures for the systematic pursuit of knowledge, involving the recognition and formulation of a problem, the collection of data through observation and experimentation, and the formulation and testing of a hypothesis. |
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A tentative explanation of what has been observed or measured. |
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| Problem-solving process in which an individual constructs a hypothesis, tests its validity by outlining particular events that are predicted by the hypothesis, and then performs experiments to test for those events. |
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A method of investigation using deduction. |
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A collection of statements, propositions, or concepts that explains or accounts for natural event. |
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| Any process that competely removes or destroys all viable microorganism, including viruses, from an object or habitat. material so treated is sterile. |
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| Methods of handling microbial cultures, patient specimens, and other sources of microbes in a way that prevents infection of the handler and others who may be exposed. |
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| A thory first originating in the 1800's that proposed microorganisms can be the cause of diseases. The concept is actually so well established in the present that it is considered fact. |
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A set system for scientifically naming organisms, enzymes, anatomical structures, and so on. |
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The formal system for organizing, classifying, and naming living things. |
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The systematic grouping of organisms into categories on the basis of evolutionary or structural relationships between them. |
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In the levels of classification, the broadest general category to which an organism is assigned. Members of a domain share only one or a few general characteristics. |
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In the levels of classification, the second division from more general to more specific. Each domain is divided into kingdoms. |
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| In the levels of classification from general to more specific. Each Kingdom is divided into numerous phyla. Sometimes refered to as divisions. |
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In the levels of classification, an alternate term for phylum. |
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In the levels of classification, the division of organisms that follows phylum. |
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| In the levels of classifications, the division of organisms that follows class. Increasing similarity may be noticed among organisms assigned to the same order. |
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In the levels of classification, a midlevel division of organisms that groups more closely related organisms than previous levels. An order is divided into Families. |
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| In the levels of classification, the second most specific level. A Family is divided into several genera. |
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Levels of power. Arrangement in order of rank. |
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In the levels of classification, the most specific level of organization. |
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The names given to organisms by the taxonomic means of naming. |
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| The scientific principle that states that living things change gradually through hundreds of millions of years, and these changes are expressed in structural and functional adaptations in each organism. Evolution presumes that those traits that favor survival are preserved and passed on to following generations, and those traits that do not favor survival are lost. |
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The study of organismic structure. |
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The study of the function of an organism. |
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Term used for nonarchaea prokaryote, means "true bacteria" |
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| The term used to define bacteria that are prokaryotic single-celled organisms of primitive origin that have unusual anatomy, physiology, and genetics and live in harsh habitats. |
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Meaning "the very first". Mostly unicellular (but some are multicellular). Mostly consisting of protozoans and algae. |
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| A kingdom of bacteria, viruses, and blue-green algae that includes all microorganisms in which the nucleoplasm has no basic protein and is not surrounded by a nuclear membrane. The kingdom has two divisions: Cyanobacteria, which includes the blue-green bacteria, and bacteria. |
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Generally speaking the kingdom that includes fungi. |
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Generally speaking the kingdom which includes multicellular organisms like humans, snakes, and even jellyfish. |
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Generally speaking the kingdom that includes plant life, or organisms that require photosynthesis to reproduce cells. |
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