Question1 of 20Which of the following is a colonial form of green algae?GiardiaThiobacillusVolvoxParameciumQuestion2 of 20Land was first colonized about ______ years ago.100 million500 million570 million1.7 billionQuestion3 of 20In angiosperms, the male gametophyte develops within ______.male conesmyceliafilamentsanthersQuestion4 of 20Under what abiotic conditions can monomers spontaneously form polymers?When water evaporates from a hot surfaceWhen ribozymes are present to catalyze the reactionWith the addition of waterBy biogenesisQuestion5 of 20Gametophytes reproduce ______.by fissionby producing sperm and eggs by alternation of generationsby buddingQuestion6 of 20Under ideal conditions, prokaryotes are capable of reproducing at a(n) ______ rate.hypergeometricexponentialinfinitearithmeticQuestion7 of 20A pollen grain is a ______.female gametophytesporophytetype of seedmale gametophyteQuestion8 of 20Where and when does fertilization occur in the mushroom life cycle?Underground, as a mycelium begins to spread.On the surface of the ground, when a spore germinates.In a mushroom, when nuclei of a heterokaryotic cell fuse.In a mushroom, when sperm and eggs meet.Question9 of 20According to the theory of endosymbiosis, which organelles evolved from small prokaryotes that established residence within other, larger prokaryotes?Vacuoles and lysosomesGolgi apparatus and endoplasmic reticulumCentrioles and ribosomesMitochondria and chloroplastsQuestion10 of 20What global climatic change gave gymnosperms an advantage over ferns?The climate becoming hotter and wetterThe climate becoming cooler and drierIncreased fluctuations in global climateThe climate becoming cooler and wetterQuestion11 of 20Which protozoan group consists solely of parasitic forms?ApicomplexansCiliatesFlagellatesAmoebasQuestion12 of 20An explorer found a plant that had roots, stems, and leaves. It had no flowers but produced seeds. This plant sounds like a(n)fern.bryophyte.angiosperm.gymnosperm.Question13 of 20Plants first moved onto land at least ______ years ago.65 million475 million1.2 billion3.5 billionQuestion14 of 20The prokaryotic group that tends to inhabit extreme environments belongs to the ______.kingdom Monerakingdom Protistadomain Archaeadomain MoneraQuestion15 of 20In angiosperms, what structures house female gametophytes?OvulesPetalsStigmaSepalsQuestion16 of 20Flagellates, amoebas, apicomplexans, and ciliates are all what type of protist?Slime moldsProtozoansDiatomsDinoflagellatesQuestion17 of 20All prokaryotic and eukaryotic organisms that photosynthesize fit into which nutritional category?ChemoautotrophsPhotoheterotrophsPhotoautotrophsChemoheterotrophsQuestion18 of 20From the point of view of an angiosperm, what is the function of fruit?It is where the male gametophyte develops.It provides structural support for the plant. It is a mechanism for the dispersal of seeds.It attracts pollinators.Question19 of 20Whose experiments demonstrated that, given the conditions on the primitive Earth, biological monomers could arise spontaneously?Miller and UreyDarwinWatsonMargulisQuestion20 of 20Like plants, fungi have ______; however, in plants they are composed of ______, whereas in fungi they are composed of ______.cell walls; cellulose; chitincell walls; cellulose; peptidoglycancell membranes; phospholipids; peptidoglycancell membranes; cellulose; phospholipids