BIO 123 Study of Life Quiz. 23 Questions and Answers. 100% Correct Answers.

Study of life Quiz Which of the following shows three taxonomic levels from most to least inclusive? Select one: a. species, genus, family b. domain, kingdom, phylum c. family, species, genus d . phylum, domain, kingdom e. family, class, species Feedback domain, kingdom, phylum Question 2 Incorrect Mark 0.00 out of 1.00 Flag question Question text Each of the following is a defining characteristic of life except _______. Select one: a. disorder b. use of materials and energy c. reproduction d. homeostasis e. responsiveness to stimuli Feedback disorder Question 3 Correct Mark 1.00 out of 1.00 Flag question Question text What process explains the unity and diversity of living organisms on our planet? Select one: a. taxonomy b. metabolism c. evolution d. homeostasis e. reproduction Feedback evolution Question 4 Incorrect Mark 0.00 out of 1.00 Study of life Quiz Flag question Question text What level of biological organization typically includes the smallest amount of biological material? Select one: a. ecosystem b. organism c. community d. organ e. population Feedback organ Question 5 Not answered Marked out of 1.00 Flag question Question text An example of ________ is flat leaves in plants that are able to provide more surface area for light exposure. Select one: a. an adaptation b. homeostasis c. a mutation d. a gene e. a cell Feedback an adaptation Question 6 Incorrect Mark 0.00 out of 1.00 Study of life Quiz Flag question Question text What would be the result of all decomposers being removed from an ecosystem? Select one: a. Energy would no longer be lost in the form of heat. b. Nutrients from dead organisms could not be recycled into the ecosystem. c. The ecosystem would lose its ultimate source of energy. d. Nutrient recycling from dead organisms would increase. e. There would be no effect on the ecosystem; decomposers are not essential for ecosystem function. Feedback Nutrient recycling from dead organisms would increase. Question 7 Correct Mark 1.00 out of 1.00 Flag question Question text You are observing a cell through a microscope and can see that it contains no nucleus. Based exclusively on this information, to which domain(s) might this organism belong? Select one: a. Bacteria only b. Archaea only c. Eukarya only d. Bacteria or Archaea but not Eukarya e. Bacteria, Archaea, or Eukarya Feedback Study of life Quiz Bacteria or Archaea but not Eukarya Question 8 Correct Mark 1.00 out of 1.00 Flag question Question text To what kingdom do humans belong? Select one: a. Animals b. Plants c. Protists d. Fungi e. Archaea Feedback Animals Question 9 Incorrect Mark 0.00 out of 1.00 Flag question Question text An ecologist would most likely study ________. Select one: a. cells b. organs c. communities d. tissues e. organ systems Feedback communities Question 10 Incorrect Mark 0.00 out of 1.00 Flag question Question text What is the term for a possible explanation for a natural event? Select one: a. an observation b. a conclusion c. a hypothesis d. a test e. data Study of life Quiz Feedback a hypothesis Question 11 Incorrect Mark 0.00 out of 1.00 Flag question Question text In an experiment, what can be used for comparison to show if the treatment worked or not? Select one: a. Conclusion b. Testing c. Control group d. Hypothesis e. Observation Feedback Control group Question 12 Incorrect Mark 0.00 out of 1.00 Flag question Question text Which of the following levels of taxonomy comprises the fewest number of organisms? Select one: a. Family b. Class c. Order d. Phylum e. Genus Feedback Genus Question 13 Incorrect Mark 0.00 out of 1.00 Flag question Question text What kingdom is characterized by eukaryotic, multicellular organisms that ingest their food? Select one: a. Fungi b. Plants Study of life Quiz c. Protists d. Animals e. Archaea Feedback Animals Question 14 Correct Mark 1.00 out of 1.00 Flag question Question text What is the main driving force behind evolution? Select one: a. natural selection b. metabolism c. homeostasis d. photosynthesis e. organization Feedback natural selection Question 15 Not answered Marked out of 1.00 Flag question Question text The biosphere has been negatively affected by humans in all of the following ways except _______. Select one: a. overcollecting coral from reefs Study of life Quiz c. logging forests excessively d. establishing too numerous seagrass beds e. allowing excess fertilizer to run off Feedback establishing too numerous seagrass beds