EXAM STUDY MATERIALS July 26, 2024 9:30 AM BIO 211 - Exam 1 Questions With Correct Answers. Scientific theories are just "ideas" (T/F) - answer✔✔false What is NOT considered a quality within the de finition of life? Living things evolve Living things can grow and develop Living things are sentient Living things use energy - answer✔✔Living things are sentient In some cases an observational study is more appropriate than an experiment. (T/F) - answer✔✔True The oldest fossils humans have discovered are from organisms called________. - answer✔✔stromatolites Extant means this species still lives on earth. (T/F) - answer✔✔True Put the 5 major steps in the history of life on earth in order: - answer✔✔1. cellular life 2. oxygen revolution 3. nucleated cells 4. multicellularity 5. Cambrian explosion Which statement represents the best explanation for the observation that the nuclea r DNA of wolves and domestic dogs has a very high degree of sequence homology? Dogs and wolves ________. Are both members of Carnivora You Answered Have very similar morphologies Belong to the same Taxonomic Order Share a very recent common ancestor - answer✔✔Share a very recent common ancestor EXAM STUDY MATERIALS July 26, 2024 9:30 AM Convergent evolution leads to homology (T/F) - answer✔✔False The rapid evolution of many different body forms within a single clade is called - answer✔✔adaptive radiation True or false: We are currently experi encing the 6th major extinction event - answer✔✔True The oldest fossils are approximately _______ billion years old. - answer✔✔3..5 Phylogenetics represent evolutionary relationships. (t/f) - answer✔✔true Prokaryotes reproduce by ______. - answer✔✔binary fission The "sub -therapeutic use of antibiotics" refers to __________. using low dosage antibiotics to address chronic medical conditions using lower dosages to reduce antibiotic resistance in harmful bacteria long-term use of low dosage antibioti cs to promote growth in livestock short courses of antibiotics to reduce antibiotic resistence in harmful bacteria - answer✔✔long-
term use of low dosage antibiotics to promote growth in livestock Thick peptidoglycan cell walls are susceptible to penicill in. (t/f) - answer✔✔True There are two metabolism types that are shared by both prokaryotes and eukaryotes. They are ______ and ______. - answer✔✔photoautotroph and heterotroph This bacteria is round -shaped. Another name for this shape is_______. - answer✔✔cocci The overuse of antibiotics is leading to the evolution of resistant bacteria (t/f) - answer✔✔True The most likely reason that fungi and bacteria produce antibiotics is________, as a hormone to increase mating to help absorb nutrients to help humans fight infections as a defense against other microorganisms - answer✔✔as a defense against other microorganisms Name the process that takes carbon dioxide (CO2) + water (H20) + sun to make sugar (C6H12O6) - answer✔✔photosynthesis Plants res pire (reduce sugar to carbon dioxide and water) (t/f) - answer✔✔true
term use of low dosage antibiotics to promote growth in livestock Thick peptidoglycan cell walls are susceptible to penicill in. (t/f) - answer✔✔True There are two metabolism types that are shared by both prokaryotes and eukaryotes. They are ______ and ______. - answer✔✔photoautotroph and heterotroph This bacteria is round -shaped. Another name for this shape is_______. - answer✔✔cocci The overuse of antibiotics is leading to the evolution of resistant bacteria (t/f) - answer✔✔True The most likely reason that fungi and bacteria produce antibiotics is________, as a hormone to increase mating to help absorb nutrients to help humans fight infections as a defense against other microorganisms - answer✔✔as a defense against other microorganisms Name the process that takes carbon dioxide (CO2) + water (H20) + sun to make sugar (C6H12O6) - answer✔✔photosynthesis Plants res pire (reduce sugar to carbon dioxide and water) (t/f) - answer✔✔true
