BIO 210 Exam 1 Questions And Answers!!

what is a microorganism? what are some examples? - Answer-microorganism- organisms that are too small to be seen with the unaided eye examples- bacteria, archaea, fungi define pathogenic - Answer-the term used to describe a disease-causing microorganism who developed the formal system for classifying and naming organisms? - Answer-carolus Linnaeus each organism has two names, the first name is the ______ and the second name is the _____. - Answer-genus, species how are the names of organisms written? - Answer-genus is 1st and capitalized, species is 2nd and lowercase written in italics if typed or underlined if handwritten main characteristics of bacteria - Answer--prokaryotic -peptidoglycan cell wall -hetero or autotroph -unicellular -asexual main characteristics of archaea - Answer--prokaryotic -pseudomurin cell wall -heterotroph -unicellular -asexual main characteristics of fungi - Answer--eukaryotic-chitin cell wall -heterotroph -unicellular (yeast) or multicellular (mold/mushrooms) -asexual or sexual main characteristics of protozoan - Answer--eukaryotic -lacks cell wall -usually heterotroph -unicellular -asexual or sexual main characteristics of algae - Answer--eukaryotic -cellulose cell wall -autotroph -unicellular or multicellular -asexual or sexual main characteristics of helminth - Answer--eukaryotic -lacks cell wall -heterotroph -multicellular -asexual or sexual why are viruses considered to be non-living? - Answer-they are acellular (not made up of living cells) what are helminths? - Answer-flat worms and round worms carl woese proposed that organisms may be classified into one of three different domains by analysis of their _____. - Answer-rRNA what are the three domains proposed by carl woese? - Answer-bacteria, archaea, eukarya