1 Which of the following is the common ancestor of birds and crocodiles Biology Clicker Questions Sauropods a b Archeopteryx c Dinosaurs d Coelocanths a Yes b No 2 Are fish a monophyletic group 3 Characters that have evolved independently in two separate groups are called 4 Which molecular detail can be used to construct phylogenetic histories Homologous characters a b Analogous characters c d Evolutionary innovations Synampomorphies Individual nucleotides a b RNA c Amino Acids d All of the Above a 1 2 b 2 4 c 3 2 d 4 4 a Tool use b Social Living c d All of the above Language 5 Our ancestors were fully bipedal by at least million years as evidence by the Lucy skeleton 6 Which of the following are thought to have contributed to the increase in brain size in humans 7 When we compare levels of genetic variation in a contemporary African population to that of a contemporary non African populations we find there is a More variation in the African population b More variation in the non African population c Equal variation in both populations 8 Why is there less genetic variation in the non African populations a Non African populations represent founder events b Non African populations have mutation rates c Non African populations experience high rates of natural selection 1 The process of cellular respiration uses and produces Ch 25 a CO2 02 b O2 CO2 c H2O O2 2 The CO2 level is during winter in the northern hemisphere compared to levels in the summer a Higher b The same c Lower 3 If plants consume CO2 during photosynthesis why hasn t all the atmospheric CO2 been used up Photosynthesis also produces CO2 as a product a b Respiration produces CO2 as a product c Photosynthesis and respiration use the other s products as reactants d Both B and C e All of the above 4 Based on the data presented is the statement the increasing CO2 content in the atmosphere is due to human activities a correlation or is there causation Correlation a b Causation 5 Which of the following things are made in part of carbon The shells of clams and other mollusks a b The glucose sugars in fruits c d All of the above e None of the above Limestone at the bottom of the sea 6 Which of the following process would increase atmospheric CO2 Plate tectonics that result in formation of an ocean basin a b Formation of limestone c Volcanic eruption d Biomineralization of selection formation Chapter 26 1 A scientist is comparing mRNA translation in a mouse cell and a bacterial cell He notes that translation occurs much more quickly in the bacterial cell Why The bacterial cell contains more ribosomes than the mouse cell a b The translation machinery in the mouse cell is very different from that in the c The lack of a definitive nucleus and nuclear membrane in the bacterium means bacterium that translation occurs faster d The bacterial genome contains more introns compared to that of the mouse 2 Which type of horizontal gene transfer used by bacteria involves viruses Conjugation Transduction a b c Transformation 3 What limits the size of a cell The flexibility of the chromosomes a b The surface area to volume ratio c The number of organelles it contains d The number of ribosomes it contains 4 As part of aerobic respiration O2 is reduced and loses electrons and glucose C6H12O6 is oxidized and gains electrons 5 Based on the energy and carbon sources of humans how would humans be classified a True b False a As photoautotrophs b As photoheterotrophs c As chemohetrotrophs d As chemoautotrophs Nitrogen fixation Nitrification a b c Anammox d Denitrification Nucleus a b Chloroplasts c Ribosomes d Cell wall made of peptidoglycan 6 The conversion of ammonia to nitrate is called 7 Which of the following is found in both prokaryotic cells and eukaryotic cells 8 Which of the following statements about meiosis and mitosis is true a Meiosis produces cells that are haploid b Mitosis produces cells that are haploid c Meiosis produces cells that are diploid d Meiosis and mitosis do not describe types of cell division 9 Which group of protists have calcium carbonate skeletons 10 Which of the following groups contains the most ancestral chloroplasts a Green algae b Opisthokonts c Microsporidia d Red algae Green algae a b Red algae c Glaycoystophytes d Streptophytes 11 Which of the following statements does NOT apply to simple multicellular eukaryotes Cells adhere to one another a b Cells communicate extensively with one another c Most cells are capable of a wide range of functions d The loss of one or more cells does not lead to death of the organism 12 Water transport in xylem depends on Turgor pressure accumulating in the roots a b Osmosis across the vessel plasma membranes 13 Assuming there is sufficient light to drive photosynthesis the rate of transpiration should on a c Cohesion between H2O molecules rainy day compared to a sunny day because a c d Decline the H2O concentration gradient from the inside to the outside of the leaf would increase b Decline the H2O concentration gradient from the inside to the outside of the leaf would decrease Increase the H2O concentration gradient from the inside to the outside of the leaf would decrease Increase the H20 concentration gradient from the inside to the outside of the leaf would increase 14 In addition to carbohydrates what other substances travel in the phloem a Hormones b RNA c Amino Acids d e All of these are carried in the phloem Ions 15 Which of the following would be considered a carbohydrate sink in vascular plants 16 Mycorrihzae increase nutrient uptake for plants What do they get in return a Water the plant does not use b Amino acids from the plant c Carbohydrates produced by the plant d CO2 from the plant s leaves 17 Which of the following are adhesion proteins that are present in both choanoflagellates and a Stem b Roots c Mature Leaves d 1 2 and 3 e 1 and 2 only f 1 and 3 only animals Integrins a b Pectins c Actins d Cadherins e Both 1 and 2 f Both 1 and 4 g Both 2 and 4 acquired 18 Which of the following represents the order in which the traits of multicellularity were a Cell adhesion molecules bulk transport capability cell communication b Cell communication cell adhesion bulk transport capability c Cell adhesion molecules cell communication bulk transport capability d Bulk transport capability cell communication cell adhesion molecules 19 Which of the following would be classified as a vascular plant 20 Which of the following is are haploid 21 In the fern life cycle which generation
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