ASU BIO 182 Exam 2, Sweat Questions With Best Solutions

ASU BIO 182 Exam 2, Sweat Questions With Best Solutions A research botanist has discovered a new plant species in eastern Arizona. The plant has blue flowers with 5 petals, leaves with branched veins, pollen with three openings and a taproot. This plant is probably a: -Correct Answer-Eudicot In ferns, spores are produced by which part of the life cycle? -Correct Answer-Sphorocyte Research scientists have discovered a novel species of single cell life. The cells have 2 flagella, one hairy and one smooth. What type of protist is this organism? -Correct Answer-Stramenopile Research scientists have discovered a single cell life species. They have a calcium carbonate shell, and the organism feeds by projecting threadlike pseudopodia out of the cell to trap bacteria and organic particles. What type of protist is this organism? -Correct Answer-Rhizarian What is the sister clade to land plants? -Correct Answer-Charophytes What is the origin of vascular plant roots? -Correct Answer-No origin A bacteriophage in what cycle will result in the lysing of it's host bacterium? -Correct Answer-Lytic cycle Research scientists have discovered a novel species of single cell life. The cells turn green in the presence of light, and will consume bacteria if kept in the dark. The cells move with a flagella that has a crystalline rod inside of it. What type of protist is this organism? -Correct Answer-Euglenozoan In mosses, hornworts and liverworts, which of the following life stages produces gametes? -Correct Answer-The gametophytic What is expatiation? -Correct Answer-Evolutionary use of a trait for a novel and unrelated function What is the evolutionary origin of viruses? -Correct Answer-A transposon/ A plasmid