STRAIGHTERLINE BIO 101 FINAL EXAM QUESTIONS AND ANSWERS

STRAIGHTERLINE BIO 101 FINAL EXAM QUESTIONS AND ANSWERS smallest unit that has all of the characteristics of life - Answer- cell nutrient molecules are used to build cellular structures or for energy. this best represents which characteristic of life? - Answer- living things acquire materials and energy from the environment organs are composed of tissues, which are composed of cells. this is an example of which characteristic of life? - Answer- living things have levels of hierarchical organization which statement concerning reproduction is false? - Answer- the offspring of multicellular organisms tend to be identical to the parent technology is the - Answer- application of scientific knowledge for a practical purpose which of the following is a potential consequence if people stop using technology in the agriculture industry? - Answer- there could be a significant decrease in the amount of food produced if a new anti-cancer drug is found to be effective in initial tests with mice, what might researchers conclude? - Answer- the drug is effective in the mouse model; it must still be tested in humans which statement regarding science technology is false? - Answer- science technology is a basis for all ethical or moral decisions which of the following is one of the domains of life? - Answer- Eukarya You have discovered a previously unknown organism. It is multicellular, with a filamentous form, and absorbs food from its environment. Upon microscopic examination, you see that the cells have nuclei. How would you classify this organism? - Answer- kingdom fungi which domains contain organisms that lack a membrane-bound nucleus - Answer- archaea and bacteria corn belongs to the kingdom - Answer- plantae which of these classification categories contains the closest related group of organisms? - Answer- genus what is the correct formal for the binomial name of human beings? - Answer- Homo sapiens A physician specializes in surgery involving the following group of organs: mouth, esophagus, stomach, and intestines. Overall, what is the highest level of organization that this physician is specialized in? - Answer- organ system which sequence correctly lists the different levels of biological organization, from the smallest and simplest to the largest and most complex? - Answer- cell-tissues-organ- organ systems-organisms which statement about an ecosystem is incorrect? - Answer- there is a community of organisms, but no non-living components when comparing energy and chemicals in an ecosystem, - Answer- chemicals cycle over and over again but energy flows through once all the organisms of carious species living within a given area constitute a(n) - Answer- community which of the following is of least importance when concerning the preservation of an ecosystem? - Answer- preservation of an ecosystem allows humans to exploit as many resources as possible the most important factor that determines where major ecosystems are located on the globe is - Answer- climate the term biodiversity refers to - Answer- the total number of species, variation of species, and the ecosystem in which they live ever since the antibiotic drug penicillin was discovered in 1928, the incidence of resistant bacteria has steadily increased as a direct result of - Answer- natural selection as the human population size increases - Answer- biodiversity is adversely affected as humans have destructive effects on ecosystems all the banded sunfish in a pond would comprise a(n) - Answer- population which of the following types of lipids is the most abundant constituent of cell membranes? - Answer- phospholipid two molecules of glucose combine to form a disaccharide molecule during a(n) _______ reaction - Answer- dehydration