American Military University SCIN 130 Week 7 Quiz. All 31 QnA. Score 100%.

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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. Increase in antibiotic resistance  B. Developmen... t of immune system  C. Maintenance of gut  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 hyper-nitrogenous B. the atmosphere was cold  C. the atmosphere was hot  D. the atmosphere was anoxic Feedback: Review Prokaryotic Diversity in Chapter 13. Question 3 of 31 3.0 Points What is an example of a positive relationship between fungi and plants?  A. fungi infecting a potato crop, so that most plants die  B. infection of stored seeds such as corn  C. decay of standing or recently felled trees D. mycorrhizae increase nutrient uptake in the soil Feedback: Great job. Question 4 of 31 3.0 Points What are two defining characteristics of prokaryotes?  A. multicellular, has nucleus  B. single-celled, has nucleus  C. single-celled, lacking nucleus  D. multicellular, lacking nucleus Feedback: Great job. Question 5 of 31 3.0 Points Fungi include all of the following EXCEPT which? A. yeast  B. bacteria  C. mushroom  D. mold 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. decrease in sleep C. lack of personal hygiene  D. increase in travel Feedback: Great job. Part 2 of 8 - Chapter 14 18.0 Points Question 7 of 31 3.0 Points What does the carpel of a eudicot flower lack?  A. an ovary  B. a stigma  C. a filament D. a style Feedback: Eudicots are a very diverse and abundant group of angiosperms, so have the same flower parts. Review Chapter 14. Question 8 of 31 3.0 Points Gymnosperms lack which of the following structures?  A. flowers  B. pollen  C. vascular tissue  D. seeds Feedback: Great job. Question 9 of 31 3.0 Points Where do the shoots and roots increase in length through cell division? A. apical meristems  B. lateral meristems  C. xylem meristems  D. cambium Feedback: Great job. Question 10 of 31 3.0 Points Which of the following plants lack seeds?  A. mosses  B. gymnosperms C. angiosperms  D. monocots Feedback: Great job. Question 11 of 31 3.0 Points Bryophytes include all the following EXCEPT?  A. liverworts  B. mosses  C. hornworts  D. club mossesFeedback: Great job. Question 12 of 31 3.0 Points Which is not part of the stamen of a eudicot flower?  A. anthers  B. an ovary  C. the filament  D. microspores Feedback: Great job. Part 3 of 8 - Chapter 15 18.0 Points Question 13 of 31 3.0 Points The Porifera have glass-like structures in their bodies made of silica which are called what?  A. Spicules B. Flagella  C. Membranes  D. Cilia Feedback: Great job. Question 14 of 31 3.0 Points Which group are humans most closely related to?  A. marsupials  B. birds  C. primates D. amniotes Feedback: Great job. Question 15 of 31 3.0 Points The bones of birds can be described as what?  A. Irregular  B. Sesamoid  C. Pneumatic  D. Long  E. FlatFeedback: Great job. Question 16 of 31 3.0 Points Which is NOT a type of body symmetry in animals?  A. Radial  B. Bilateral  C. Equilateral  D. Assymetrical Feedback: Great job. Question 17 of 31 3.0 Points Which is an example of a Hexapoda?  A. spider B. earthworm  C. cockroach  D. jellyfish Feedback: Great job. Question 18 of 31 3.0 Points What are two defining features of mammals?  A. Hair and mammary glands  B. Hair and pneumatic bones  C. Mammary glands and teeth D. Teeth and pneumatic bones Feedback: Great job. Part 4 of 8 - Lecture Material 9.0 Points Question 19 of 31 3.0 Points What is a representation of the relationship between biological lineages such as species referred to as?  A. epigenesis  B. ontogeny  C. pangenesis  D. phylogeny Feedback: Great job! Question 20 of 313.0 Points 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?  A. traditional  B. radial  C. bilateral  D. spherical Feedback: Great job! Question 21 of 31 3.0 Points There are two ways in which non-vascular plants transport water, what is one of them?  A. concentration B. diffusion  C. collection  D. scattering Feedback: Great job! Part 5 of 8 - Part 3: Lab Lecture Material 9.0 Points Question 22 of 31 3.0 Points Which chart type can compare multiple categories or variables all at once?  A. Bar  B. Pie  C. Line D. Scatterplot 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. Question 23 of 31 3.0 Points What type of chart is a histogram?  A. Scatterplot  B. Bar  C. Line  D. Pie Feedback: Correct! Choosing the most appropriate chart type for displaying data is extremely important as visualizations are critical for decision making and understanding results. Question 24 of 313.0 Points Which chart type displays the correlation between two variables by connecting data points to show a trend?  A. Pie  B. Scatterplot  C. Bar  D. Line Feedback: Correct! 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 type of evidence was archaeologist Dr. Piperno looking for?  A. macrofossils B. microfossils  C. carbon fumes  D. radiocarbon dating Feedback: Great. Question 26 of 31 3.0 Points The genes responsible for branching, seed coat and number of kernels in maize and teosinte are what type?  A. complimentary gene  B. regulatory gene  C. duplicate gene D. hidden gene Feedback: Great. Question 27 of 31 3.0 Points When does it appear that the domestication of corn first began based on mutation rate between maize and teosinte?  A. 25,000 years ago  B. 76,000 years ago  C. 9,000 years ago  D. 43,000 years ago Feedback: Great. Question 28 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 similar number of chromosomes  D. teosinte and maize have lots of branching Feedback: Great. Question 29 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. 5 or 6  B. 3 or 4 C. 4 or 5  D. 2 or 3  E. 1 or 2 Feedback: Great. Part 7 of 8 - Lab Essay 5.0 Points Question 30 of 31 5.0 Points In a few sentences, what was the overall purpose of the lab for this week? You should include 1- 2 sentences on the methods and then the overall reason. This lab explored the domestication of corn, which is a monocot. The genetic changes that took place over thousands of years transformed a wild grass into what we recognize today. 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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