1 of 20 Which of the following is a colonial form of gree

1 of 20 Which of the following is a colonial form of green algae? Giardia Thiobacillus Volvox Paramecium 2 of 20 Land was first colonized about ______ years ago. 100 million 500 million 570 million 1.7 billion 3 of 20 In angiosperms the male gametophyte develops within ______. male cones mycelia filaments anthers 4 of 20 Under what abiotic conditions can monomers spontaneously form polymers? When water evaporates from a hot surface When ribozymes are present to catalyze the reaction With the addition of water By biogenesis 5 of 20 Gametophytes reproduce ______. by fission by producing sperm and eggs by alternation of generations by budding 6 of 20 Under ideal conditions prokaryotes are capable of reproducing at a(n) ______ rate. hypergeometric exponential infinite arithmetic 7 of 20 A pollen grain is a ______. female gametophyte sporophyte type of seed male gametophyte 8 of 20 Where 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. 9 of 20 According to the theory of endosymbiosis which organelles evolved from small prokaryotes that established residence within other larger prokaryotes? Vacuoles and lysosomes Golgi apparatus and endoplasmic reticulum Centrioles and ribosomes Mitochondria and chloroplasts 10 of 20 What global climatic change gave gymnosperms an advantage over ferns? The climate becoming hotter and wetter The climate becoming cooler and drier Increased fluctuations in global climate The climate becoming cooler and wetter 11 of 20 Which protozoan group consists solely of parasitic forms? Apicomplexans Ciliates Flagellates Amoebas 12 of 20 An 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. 13 of 20 Plants first moved onto land at least ______ years ago. 65 million 475 million 1.2 billion 3.5 billion 14 of 20 The prokaryotic group that tends to inhabit extreme environments belongs to the ______. kingdom Monera kingdom Protista domain Archaea domain Monera 15 of 20 In angiosperms what structures house female gametophytes? Ovules Petals Stigma Sepals 16 of 20 Flagellates amoebas apicomplexans and ciliates are all what type of protist? Slime molds Protozoans Diatoms Dinoflagellates 17 of 20 All prokaryotic and eukaryotic organisms that photosynthesize fit into which nutritional category? Chemoautotrophs Photoheterotrophs Photoautotrophs Chemoheterotrophs 18 of 20 From 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. 19 of 20 Whose experiments demonstrated that given the conditions on the primitive Earth biological monomers could arise spontaneously? Miller and Urey Darwin Watson Margulis 20 of 20 Like plants fungi have ______; however in plants they are composed of ______ whereas in fungi they are composed of ______. cell walls; cellulose; chitin cell walls; cellulose; peptidoglycan cell membranes; phospholipids; peptidoglycan cell membranes; cellulose; phospholipids

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