American Military University SCIN 130 Quiz 6. All 31 QnA. 100% Score

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Quiz 6 Return to Assessment List Comment:Please see feedback for short answer question and lab, thank you for your hard work, great job this week! Part 1 of 8 - Chapter 13 18.0 Points Question 1 ... of 31 3.0 Points The community of bacteria in the human body provides benefits EXCEPT?  A. Development of immune system  B. Maintenance of gut  C. Increase in antibiotic resistance  D. Protection from pathogens Feedback:Great job. Question 2 of 31 3.0 Points Why were only anaerobic organisms able to live during the first 2 billion years on Earth? A. the atmosphere was anoxic  B. the atmosphere was cold  C. the atmosphere was hyper-nitrogenous  D. the atmosphere was hot Feedback:Great job. Question 3 of 31 3.0 Points What is an example of a positive relationship between fungi and plants?  A. infection of stored seeds such as corn  B. mycorrhizae increase nutrient uptake in the soil C. decay of standing or recently felled trees  D. fungi infecting a potato crop, so that most plants die Feedback:Great job. Question 4 of 31 3.0 Points Why are Protists difficult to classify?  A. They are not motile  B. They use the same reproductive strategies  C. They are similar in cell structure  D. They have varied habitatsFeedback:Great job. Question 5 of 31 3.0 Points What are two defining characteristics of prokaryotes?  A. multicellular, lacking nucleus  B. single-celled, has nucleus  C. single-celled, lacking nucleus  D. multicellular, has nucleus Feedback:Great job. Question 6 of 31 3.0 Points What is one reason for a high rate of resistant bacteria on Earth today? A. overuse of antibiotics  B. increase in travel  C. lack of personal hygiene  D. decrease in sleep Feedback:Great job. Part 2 of 8 - Chapter 14 18.0 Points Question 7 of 31 3.0 Points What group of plants has the greatest number of species?  A. ferns  B. angiosperms C. gymnosperms  D. bryophytes Feedback:Great job. Question 8 of 31 3.0 Points Double fertilization is unique to what type of plants?  A. gymnosperms  B. mosses  C. angiosperms  D. fernsFeedback:Great job. Question 9 of 31 3.0 Points Basal angiosperms are thought to have branched off prior to the separation of monocots and eudicots and include all but which of the following?  A. laurel trees  B. water lilies  C. grasses  D. magnolia trees Feedback:Great job. Question 10 of 31 3.0 Points If you find a plant with leaves with parallel veins in the leaf, flowers, and fruit, what would it most likely be classified as? A. monocot  B. gymnosperm  C. bryophyte  D. eudicot Feedback:Great job. Question 11 of 31 3.0 Points Monocots typically lack which of the following?  A. a tap root with lateral roots  B. parallel veins in their leaves C. flowers with 3-fold symmetry  D. a seedling with a single cotyledon Feedback:Great job. Question 12 of 31 3.0 Points Eudicots typically have all but which of the following?  A. leaves with a network of branched veins  B. seedlings with 2 cotyledons  C. vascular tissue scattered in the stem  D. a tap root with lateral rootsFeedback:Eudicots are a very diverse and abundant group of angiosperms. Review Chapter 14. Part 3 of 8 - Chapter 15 18.0 Points Question 13 of 31 3.0 Points Which statement on Echinoderms is false?  A. They are deuterostome marine organisms.  B. They are designed to move quickly through the water.  C. They contain a blood-based circulatory system.  D. Tube feet can be expanded through hydrostatic pressure.  E. There is no centralized nervous control. Feedback:Review Echinoderms and Chordates in Chapter 15. Question 14 of 31 3.0 PointsWhich is an example of a Hexapoda?  A. jellyfish  B. earthworm  C. cockroach  D. spider Feedback:Great job. Question 15 of 31 3.0 Points Most nematodes have a distinct mouth and anus. What type of digestive system do they have?  A. convoluted B. incomplete  C. complete  D. non-existent Feedback:Great job. Question 16 of 31 3.0 Points The Porifera have glass-like structures in their bodies made of silica which are called what?  A. Membranes  B. Flagella  C. Spicules D. Cilia Feedback:Great job. Question 17 of 31 3.0 Points The bones of birds can be described as what?  A. Pneumatic  B. Irregular  C. Flat  D. Long  E. Sesamoid Feedback:The bones of birds are hollow so that they are able to fly. Review Vertebrates in Chapter 15.Question 18 of 31 3.0 Points What is the name of the two-shell system that clams, oysters, mussels and scallops have?  A. bivalve  B. nacre  C. coiled  D. double Feedback:Great job. Part 4 of 8 - Lecture ELF 9.0 Points Question 19 of 31 3.0 Points The major adaptations of plants to living outside of water include protection of embryos, seeds and which of the following?  A. flowers, megaphylls, creation of vascular tissue B. microphylls, use of diffusion for water transport, spores  C. use of osmosis for water transport, flowers  D. long root systems, microphylls, creation of veins Feedback:Great job! Question 20 of 31 3.0 Points What is a representation of the relationship between biological lineages such as species referred to as?  A. pangenesis  B. ontogeny C. epigenesis  D. phylogeny Feedback:Great job! Question 21 of 31 3.0 Points Which are the most plentiful plants on Earth today?  A. gymnosperms  B. angiosperms  C. lycophytes  D. bryophytes Feedback:Great job!Part 5 of 8 - Part 3: Lab ELF 9.0 Points Question 22 of 31 3.0 Points Which of the following Microsoft products allow for the construction of spreadsheets?  A. PowerPoint  B. Publisher  C. Word  D. Excel Feedback:Correct! Microsoft Office offers multiple products to create document, construct presentations, access email messages, and analyze data. As you mature in your academic and professional career, it is likely that you will need to understand which product is optimal for tasks you wish to perform. Question 23 of 31 3.0 Points Which of the following symbols are needed for Microsoft Excel to perform a calculation? A. ;  B. :  C. /  D. = Feedback:Correct! Performing calculations is an extremely useful tool available in Excel to assist in data analysis. It is beneficial users become familiar with the proper syntax to minimize error and increase efficiency in analyzing data. Question 24 of 31 3.0 Points The correlation between two variables is best illustrated by what chart type?  A. Pie  B. Scatterplot C. Line  D. Bar Feedback:Please see section in the lesson titled “Commonly Used Graphs in Data Visualization”. Choosing the most appropriate chart type for displaying data is extremely important as visualizations are critical for decision making and understanding results. Part 6 of 8 - Lab Material 15.0 Points Question 25 of 31 3.0 Points What evidence did Dr. Beadle use to support the fact that teosinte was an ancestor of maize?  A. teosinte and maize cannot interbreed  B. teosinte and maize have soft, naked seeds  C. teosinte and maize have lots of branching D. teosinte and maize have similar number of chromosomes Feedback:Review Lab 6: Origins of Corn Question 26 of 31 3.0 Points What type of evidence was archaeologist Dr. Piperno looking for?  A. carbon fumes  B. macrofossils  C. microfossils  D. radiocarbon dating Feedback:Great. Question 27 of 31 3.0 Points When does it appear that the domestication of corn first began based on mutation rate betweenmaize and teosinte?  A. 43,000 years ago  B. 9,000 years ago  C. 25,000 years ago  D. 76,000 years ago Feedback:Great. Question 28 of 31 3.0 Points How many genes did Dr. Beadle determine were responsible for a few simple changes in teosinte to produce maize?  A. 4 or 5 B. 2 or 3  C. 5 or 6  D. 3 or 4  E. 1 or 2 Feedback:Great. Question 29 of 31 3.0 Points The genes responsible for branching, seed coat and number of kernels in maize and teosinte are what type?  A. hidden gene  B. complimentary gene C. duplicate gene  D. regulatory gene Feedback:Review Lab 6: Origins of Corn Part 7 of 8 - Lab Essay 5.0 Points Question 30 of 31 5.0 Points In 2-3 sentences, what was the overall purpose of the lab for this week? The overall purpose of the lab this week was to learn about corn. To learn about different types, when they were created and how they were created, Comment:Looks like you understand the purpose of this week's lab, good work! Part 8 of 8 - Lab Upload 8.0 Points Question 31 of 31 8.0 Points Please upload your completed Lab Packet for this week. Make sure your name is on the top in the space provided. [Show More]

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