UMKC Bio 109 Exam 2 Study Guide Questions and Answers 100% Pass

UMKC Bio 109 Exam 2 Study Guide Questions and Answers 100% Pass How are primates different from all other mammals? - opposable thumbs in many species Root hairs are important to a plant because they - increase the surface area for absorption Both primary xylem and primary phloem are produced in the - apical meristem Some botanists argue that the entire plant should be considered as a single unit rather than a composite of many individual cells. Which of the following cellular structures best supports this view? - plasmodesmata Which of the following statements about xylem is incorrect? - It transports mainly sugars and amino acids. The process involved in converting a microsporocyte to a microspore - meiosis Which of the following is not a mechanism utilized by plants to discourage self- fertilization? - brightly colored bracts that replace petals One of the functions of gibberellins is to - signal the seed to break dormancy and germinate 2© EMILY CHARLENE YEAR , ALL RIGHTS RESERVED You are preparing seeds for shipment abroad. The trip may take several weeks. To ensure that the seeds do not germinate prematurely you might consider treating them with - abscisic acid Where would you expect to find the littoral zone of a lake? - shallow water area along the shore Which of the following are important biotic factors that can affect the structure and organization of biological communities? - predation, competition Which of the following groups would be most likely to exhibit uniform dispersion? - red squirrels, who actively defend territories Demography is the study of - the vital statistics of populations and how they change over time Because only about ten percent of the energy of one trophic level is converted into organisms at the next trophic level, - food chains are rarely longer than 4 or 5 links there are far fewer fierce predators a lot of material is available to decomposers there will nearly always be more herbivores than carnivores The relationship between ______ and aerobic cellular respiration should be kept in mind when discussing the carbon cycle. - photosynthesis Which of the following causes an increase in the intensity of UV radiation reaching the Earth? - depletion of atmospheric ozone The fact that marsupial and eutherian mammals exhibit a number of remarkable look- alikes even though they evolved along separate mammalian lineages can be ascribed to - none of the above 3© EMILY CHARLENE YEAR , ALL RIGHTS RESERVED (correct answer convergent evolution) Which of these is a trend in hominin evolution? - increased brain to body ratio A person working with plants may remove apical dominance by doing which of the following - pruning Starting from the tip of a developing root in a typical angiosperm to the above-ground stem, in what order would you expect to find the followin