American Military University SCIN 130/ SCIN130 - Introduction to Biology with Lab Course Details Quiz 8, answers 2026.

American Military University SCIN 130/ SCIN130 - Introduction to Biology with Lab Course Details Quiz 8, answers 2026. Quiz 6 - Results Attempt 1 of 1 2026 Attempt Score: 85 / 100 - 85 % Overall Grade (Highest Attempt) Question 1 The mitochondria and chloroplasts appear to have originated from what? Question options: protists fungi endosymbiosis host cell Hide question 1 feedback Feedback Great job. Question 2 What are two defining characteristics of prokaryotes? Question options: multicellular, lacking nucleus single-celled, lacking nucleusmulticellular, has nucleus single-celled, has nucleus Hide question 2 feedback Feedback Great job. Question 3 What is one reason for a high rate of resistant bacteria on Earth today? Question options: increase in travel decrease in sleep lack of personal hygiene overuse of antibiotics Hide question 3 feedback Feedback Great job. Question 4 Why were only anaerobic organisms able to live during the first 2 billion years on Earth? Question options: the atmosphere was cold the atmosphere was anoxicthe atmosphere was hot the atmosphere was hyper-nitrogenous Hide question 4 feedback Feedback Great job. Question 5 What is an example of a positive relationship between fungi and plants? Question options: infection of stored seeds such as corn mycorrhizae increase nutrient uptake in the soil decay of standing or recently felled trees fungi infecting a potato crop, so that most plants die Hide question 5 feedback Feedback Great job. Question 6 What type of prokaryote obtains its energy from sunlight? Question options: phototroph heterotroph chemoautotrophchemotroph Hide question 6 feedback Feedback Great job. Question 7 Fungi include all of the following EXCEPT which? Question options: yeast mold bacteria mushroom Hide question 7 feedback Feedback Great job. Question 8 Which is NOT one of the major adaptations of land plants? Question options: the haploid life stage is dominant gametangia producing gametes sporangium in which spores are formedapical meristems in vascular plants Hide question 8 feedback Feedback Great job. Question 9 What is the function of xylem cells in vascular tissue? Question options: transport water and nutrients are only found in roots transport sugars, proteins, and other solutes are only found in leaves Hide question 9 feedback Feedback Great job. Question 10 Mycorrhizae are fungi associated with which plant organ? Question options: roots flowers fruit leavesHide question 10 feedback Feedback Great job. Question 11 If you find a plant with leaves with parallel veins in the leaf, flowers, and fruit, what would it most likely be classified as? Question options: bryophyte monocot eudicot gymnosperm Hide question 11 feedback Feedback Great job. Question 12 Most plants have alternating generations; what are they classified as? Question options: diplontic haplodiplontic haplontichaploid Hide question 12 feedback Feedback Great job. Question 13 Which is not part of the stamen of a eudicot flower? Question options: an ovary anthers microspores the filament Hide question 13 feedback Feedback Great job. Question 14 Eudicots typically have all but which of the following? Question options: a tap root with lateral roots vascular tissue scattered in the stem leaves with a network of branched veins seedlings with 2 cotyledonsHide question 14 feedback Feedback Great job. Question 15 Most flat worms only have a mouth and a gut, meaning they take in nutrients and expel wastes from the same opening. What type of digestive system do they have? Question options: convoluted non-existent complete incomplete Hide question 15 feedback Feedback Great job. Question 16 Which are considered a vertebrate? Question options: jawless fish jellyfish tape wormspider Hide question 16 feedback Feedback A vertebrate must contain a skeleton. Review Vertebrates in Chapter 15. Question 17 Which is an example of a Hexapoda? Question options: earthworm jellyfish spider cockroach Hide question 17 feedback Feedback Great job. Question 18 Which statement on Echinoderms is false? Question options: They contain a blood-based circulatory system. There is no centralized nervous control. They are designed to move quickly through the water. Tube feet can be expanded through hydrostatic pressure.They are deuterostome marine organisms. Hide question 18 feedback Feedback Review Echinoderms and Chordates in Chapter 15. Question 19 Which phylum makes up approximately 85% of the animal kingdom? Question options: Amphibia Arthropoda Cnidarians Nematoda Echinoderms Hide question 19 feedback Feedback Great job. Question 20 The bones of birds can be described as what? Question options: Irregular SesamoidPneumatic Long Flat Hide question 20 feedback Feedback Great job. Question 21 In which environment do most Cnidarians reside? Question options: marine arctic desert forest Hide question 21 feedback Feedback Great job. Question 22 Which word means that an animal does not have a right or left side, but rather planes dividing the animal can be placed in several planes resulting in a pie structure? Question options: traditionalspherical radial bilateral Hide question 22 feedback Feedback Animal symmetry is generally either bilateral, such as in a person, or radial, such as with Biodiversity: Animals in the Weekly Lecture Lesson. Question 23 What is a representation of the relationship between biological lineages such as species referred to as? Question options: epigenesis pangenesis ontogeny phylogeny Hide question 23 feedback Feedback Great job! Question 24 Which is a good definition for a saprotroph? Question options:An organism that gains energy from living inside of other organisms An organism that gains energy solely from the sun An organism that gains energy only from the nutrients found in soil An organism that gains energy from parasitizing other organisms. Hide question 24 feedback Feedback Fungi gains energy from decaying organic matter, sometimes through parasitism. Review the Weekly Lecture Lesson. Question 25 Which chart type displays the correlation between two variables by connecting data points to show a trend? Question options: Bar Pie Scatterplot Line Hide question 25 feedback Feedback Correct! Choosing the most appropriate chart type for displaying data is extremely impo are critical for decision making and understanding results. Question 26 Which of the following symbols are needed for Microsoft Excel to perform a calculation?Question options: / ; = : Hide question 26 feedback Feedback Correct! Performing calculations is an extremely useful tool available in Excel to assist in beneficial users become familiar with the proper syntax to minimize error and increase e data. Question 27 What type of chart is a histogram? Question options: Scatterplot Line Pie Bar Hide question 27 feedback Feedback Correct! Choosing the most appropriate chart type for displaying data is extremely impo are critical for decision making and understanding results. Question 28When does it appear that the domestication of corn first began based on mutation rate between maize and teosinte? Question options: 76,000 years ago 43,000 years ago 25,000 years ago 9,000 years ago Hide question 28 feedback Feedback Great. Question 29 What evidence did Dr. Beadle use to support the fact that teosinte was an ancestor of maize? Question options: teosinte and maize have soft, naked seeds teosinte and maize have lots of branching teosinte and maize cannot interbreed teosinte and maize have similar number of chromosomes Hide question 29 feedback Feedback Great.Question 30 How many genes did Dr. Beadle determine were responsible for a few simple changes in teosinte to produce maize? Question options: 5 or 6 4 or 5 1 or 2 3 or 4 2 or 3 Hide question 30 feedback Feedback Review Lab 6: Origins of Corn Question 31 What type of evidence was archaeologist Dr. Piperno looking for? Question options: microfossils carbon fumes macrofossils radiocarbon dating Hide question 31 feedback FeedbackGreat. Question 32 The genes responsible for branching, seed coat and number of kernels in maize and teosinte are what type? Question options: regulatory gene hidden gene complimentary gene duplicate gene Hide question 32 feedback Feedback Great. Question 33 Bryophytes include all the following EXCEPT? Question options: club mosses hornworts liverworts mosses Hide question 33 feedbackFeedback Great job.