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| organism that lives on the expense of another organism |
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| parasite which invades an organism that is not normal host described |
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| lives on the surface of its host |
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| parasite lives within bodies of other organisms |
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| leech feeds on person in pool returns to water |
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Definition
| mosquito lives on host itself infected with protozoa responsible for malaria is example of |
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| host parastite reproduces sexually |
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Definition
| they have a single flagellum and a pigmented eye spot called a stigma. The stigma is sensitive(responds) to light. They are surrounded by a pellicle instead of a cell wall |
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| allow the protist to move toward light for photsynthesis |
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Definition
| euglenoids contain stigma, which is to |
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Definition
| microbes inculde species associated with red tides and bioluminesence |
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| organisms obtain nutrients from decaying matter |
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| portion of tapeworm for attachement |
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| tapeworm consists of a head end and a long chain of hermaphrodites segments each of which is called a |
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| *when an insect transmits a pathogen actively (part of the organisms life cycle has to occur in the insect) |
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Definition
| *insects that transmit pathogens passively on their bodies |
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Definition
| *act against any invading agent |
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Definition
| *are small cell-signaling protein molecules that are secreted by numerous cells |
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Definition
| *an organism that has reproductive organs normally associated with both male and female sexes |
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Definition
| *they respond to particular agents called antigens |
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Definition
| *an infectious agent composed of protein in a misfolded form |
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| *body’s defensive response to tissue damage from microbial infection |
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| *"occurring between two extremes, or in the middle of a range " |
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| *Precisely defined or explicit |
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Definition
| *a basic subunit of the capsid, an outer covering of protein that protects the genetic material of a virus |
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Definition
| *a condition characterized by an elevated number of white cells in the blood |
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Definition
| *technique refers to a procedure that is performed under sterile conditions |
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Definition
| *refers to a condition, tumor, or growth that is not cancerous |
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| *is the tendency of a medical condition, especially tumors, to become progressively worse |
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Definition
| *Each segment in the strobila of a tapeworm, containing a complete sexually mature reproductive system. |
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| *relation between two kinds of organisms in which one obtains food or other benefits from the other without damaging or benefiting it |
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| *the way two organisms of different species biologically interact in a relationship in which each individual derives a fitness benefit |
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| *The characteristic behavior or mode of existence of a parasite or parasitic population |
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| *any inanimate object or substance capable of carrying infectious organisms (such as germs or parasites) |
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Definition
| *a heat-stable toxin present in the intact bacterial cell but not in cell-free filtrates of cultures of intact bacteria |
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Term
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Definition
| *a toxin secreted by a microorganism, like bacteria, fungi, algae, and protozoa |
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Definition
| white blood cells leave blood through vessel walls |
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Definition
| protein that is released by a virus infected cell that prevents viruses from infecting other cells |
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Definition
| causes the inflammatory response |
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Definition
| the increased permeability |
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Definition
| pocket of tissue that surrounds and walls off the infectious agent |
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Definition
| accumulation of puss in a cavity created by tissue damage |
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Definition
| mucous membranses and a large population of normal flora |
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Definition
| has hydrochloric acid and pepsin |
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Definition
| the action of bacilli that lifts materials to the pharynx to be swallowed or spit up |
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| non-specific mechanisms- where? |
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Definition
| act against any invading agent - can act before specific take effect -physical barriers - inflammation - chemical barriers - fever - cellular defenses - molecular defenses |
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