monerans in your life
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25 terms
Terms | Definitions |
|---|---|
 what word on the milk carton tells you that the dairy eliminated pathogens when processing the milk? | pasteurization |
| what process harmful bacteria? describe the process. | heating up food to a temp that kils bacteria |
| what bacteria changes the outside completely and how does this change help other organisms in the envioroment? | saprophyte, it decomposes and releases nutrience in to the soil for other living things to use |
| ehat kind of bacteria are helpful to farmers? | nitrogen-fixing bacteria |
| what are disease causing organisms called? | pathogens |
| what kind of drug can kill bacteria? | antibiotics |
| what are the poisens that pathogens produce called? | toxins |
| what are the thick walled cells of botulism bacteria callled? | endospores |
| explain how botulism occurs? | canned food poisening, the bacteria is enclosed in endospores which releases heat, once inside they can change reproduction system. they are anarobics |
| classification | arranging things into groups according to ways they are alike and not |
| taxonomy | the study of how living things are classified |
| binomial nomenclature | linnaeus naming system, each organism has two names |
| genus | the first part of an organisms name,it is a classification group that contains similar, closely related organsims |
| spieces | a group of similar organisms that can mate and produce fertile offspring in nature |
| taxonomic key | a series of paired statements that describe physical characteristics off different organisms |
| whydo scientists classify? | to organize living things into groups so organisms are easier to study |
| tell me when and how aristoles classified organisms? | 4th century BC, he divided animals into three groups: fly, swim, run, walk, craw classified by behavior, apperence, and movement |
| when and what did lenaus use to classify? give an example. | 1750s based on obsevable features. he used binomial nomenclature. a 2 part scientific name for each organisms. except:felis concolor= mountain lion or puma and felis domestius=house cat |
| how is the scientific name written? | it is italic or underlined. the genus name is capitalized and the spiece name begins with a small leter |
| why is the binomial nomenclature used? | it always uses the same name for the same organism. it identifies only on spieces or organism |
| what do viruses and bacteria have in common? | classified by shape, microscopic, and make vaccines |
| why are viruses not considered living things? | do not have cells, do not grow, do not use food or energy |
| how are they like organisms? | they produce |
| how is a virus measued | nanometers |
| whats bacteriophage? | a virus that infects bacteria |
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