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Untit4: A&B test
avaliable for finals
| Question | Answer |
|---|---|
| a simple unicellular, prokaryotic organism that can only be found in extreme places, such as very salty water or extremly hot/cold places | Archea- acient bacteria |
| eukaryotic, mutlicellular organism that always makes their own food (autotrophs) | plantae- plants |
| simple, unicellular, prokaryotic organism that can be found everwhere- even in our guts! | Eubacteria- bacteria |
| eukaryotic, multicellular organism that always is heterotrophic. | animalia- animal |
| part of the kingdom that includes eukaryotic organisms but they can be autotrophic or hetertrophs, mutli and unicellular. | Protista |
| eukaryotic, hetertrophic but its main food source is dead material | fungi |
| what is the most specific/ most important taxonomic lvl? | species |
| T/F? all breeds of dog are considered the same species bc they have the ability to produce fertile offspring. | true |
| define species | pair of living organisms that are capable of interbreeding and producing fertile offspring |
| what are the 6 kingdoms | kingdom, phylum, class, order, family, genus, species. |
| simple, small, unicellular | prokaryotic |
| large, complex, multicellular | eukaryotic |
| who believed in the princible of use and disuse and define it? | Lamarck- the more a particular organ or structure is used, the more it will develop. vise versa. |
| who believed inhertitance of aquired traits? and give an example of what that might mean? | if an organism tries to improve something about themselves to help them survive doesnt mean its in there genes and will get passed down. (tippy toes.) |
| what where Charles Darwins 5 natural selections?? | Varation, heritability, over production, reproduction advantage, and change over time. |
| different genetic varations. everyones DNA is diff. mutations involved | variation |
| Heritibility | inherited from parents ex- fast cheetahs producing more fast cheetahs. |
| reproduction advantage | some varations increase chance of survival and reproduction. |
| over reproduction | pop. may produce more offspring that can survive |
| change overtime | overall population may change over long periods of time. but not 1 single organism |
| Three major key points of evolution | cant choose to evolve- individuale organisms have no control. a organism will not evolve in its life time but the population might. natural selection. |
| natural enviroment causes this process | natural selection |
| any INHERITED trait or characteristic of an organism which enables or inhances the probilility of that organism SURVING AND REPRODUCING. | Adaption |
| two types of adaptions? | structual and bahavioral |
| bacteria shape- berry shape | cocci |
| bacterica shape- rod shaped | bacilli |
| bacteria shape- spiral shape | spirilli |
| What will a Gram + bacteria give you? | thick cell wall & stains purple |
| Gram - bacteria ? stain color? | thin cell wall & stains pink |
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tttooraww
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