SCIENCE 132Week 8 Quiz 6.0/ 6.0 Points

Week 8 Quiz Return to Assessment List Comment:Joshua, Your short answer and lab report questions for week 8 have been graded. Scott Nunnelly Part 1 of 8 - 6.0/ 6.0 Points Question 1 of 32 3.0/ 3.0 Points Which of the following is NOT an anthropoid?  A. lemurs  B. monkeys  C. apes  D. humans  E. All of the above are considered anthropoids. Feedback:Good work; your answer is correct! Question 2 of 323.0/ 3.0 Points Which of the following is part of a clade believed to have died out, leaving no descendants?  A. Paranthropus robustus  B. Australopithecus africanus  C. Homo erectus  D. Homo sapiens sapiens  E. None of the above Feedback: Good work; your answer iscorrect! Part 2 of 8 - 12.0/ 15.0 Points Question 3 of 32 3.0/ 3.0 Points Who else discovered natural selection at the time Darwin was ready to publish his theory?  A. Aristotle  B. Mendel  C. Wallace  D. Plato  E. Watson Feedback:Good work; your answer is correct! Question 4 of 32 3.0/ 3.0 Points The development of evolutionary theory is credited to Charles Darwin and ______. A. Jean-Baptiste Lamarck  B. James Hutton  C. Georges-Louis Leclerc  D. Alfred Russell Wallace  E. Plato Feedback:Good work; your answer is correct! Question 5 of 32 0.0/ 3.0 Points In which of the following pairs do both evolutionary processes introduce new genetic variation into a population?  A. natural selection and genetic drift B. mutation and gene flow  C. natural selection and gene flow  D. gene flow and genetic drift  E. none of the above Feedback:Mutation is a source of new alleles in a population. Mutation is a change in the DNA sequence of the gene. Question 6 of 32 3.0/ 3.0 Points Individual differences with a genetic basis lead to ______ in successive generations.  A. variation  B. normalization  C. adaptation D. mutation  E. C. extinction Feedback:Good work; your answer is correct! Question 7 of 32 3.0/ 3.0 Points “Survival of the fittest,” or the reproductive advantage in individuals who inherit traits that help it adapt to a changing environment was something Darwin called ________.  A. mutation  B. adaptation  C. variation  D. inheritance E. natural selection Feedback:Good work; your answer is correct! Part 3 of 8 - 9.0/ 15.0 Points Question 8 of 32 3.0/ 3.0 Points The maximum growth rate characteristic of a species is called its ________.  A. exponential growth pattern  B. limit  C. biotic potential  D. carrying capacity  E. maximum potential Feedback:Good work; your answer is correct! Question 9 of 32 3.0/ 3.0 PointsWhich type of country has the greatest proportion of young individuals?  A. countries in Europe  B. economically underdeveloped  C. countries with zero population growth  D. economically developed  E. countries higher in latitude Feedback:Good work; your answer is correct! Question 10 of 32 3.0/ 3.0 Points The first species to live on new land, such as that formed from volcanic lava, are called________.  A. climax community B. keystone species  C. foundation species  D. pioneer species  E. Both B and D are correct. Feedback:Good work; your answer is correct! Question 11 of 32 0.0/ 3.0 Points The population size of a species capable of being supported by the environment is called its ________.  A. unselected  B. r-selected C. U-selected  D. K-selected  E. both r- and K-selected Feedback:See section 19.2 Population Growth and Regulation Question 12 of 32 0.0/ 3.0 Points What are the two primary parameters used to describe a population within a given habitat at a given point in time?  A. population range and life expectancy  B. population size and density  C. population distribution and density  D. population abundance and frequency E. population birth and death rates Feedback:Populations are characterized by their population size (total number of individuals) and their population density (number of individuals per unit area). Part 4 of 8 - 12.0/ 15.0 Points Question 13 of 32 0.0/ 3.0 Points The trophic level transfer efficiency (TLTE) is defined as the product of 100 and the quotient of production at the trophic level of interest and the trophic level one position lower. If the TLTE between primary producers in a particular ecosystem who provide 5000 kcal/m2/yr and the primary consumers in this ecosystem is 20%, what is the energy produced by the primary consumers?  A. 25,000 kcal/m2/yr  B. 2500 kcal/m2/yr  C. 2.5 million kcal/m2/yr  D. 250,000 kcal/m2/yr E. 1000 kcal/m2/yr Feedback:See section 20.2 Biogeochemical Cycles Question 14 of 32 3.0/ 3.0 Points Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem?  A. heterotrophy  B. bioentropy  C. biomagnification  D. biomassification  E. hypertrophyFeedback:Good work; your answer is correct! Question 15 of 32 3.0/ 3.0 Points The producer in an ocean grazing food web is usually a(n) ________.  A. fungus  B. protist  C. plankton  D. plant  E. animal Feedback:Good work; your answer is correct! Question 16 of 32 3.0/ 3.0 Points What are the three primary ecosystem types? A. ocean, coastal, inland  B. marine, freshwater, and terrestrial  C. desert, forest, grassland  D. forest, marine, desert  E. desert, marine, wetland Feedback:Good work; your answer is correct! Question 17 of 32 3.0/ 3.0 Points The six most common elements associated with organic molecules include _________. They take a variety of chemical forms and may exist for long periods in the atmosphere, on land, in water, or beneath Earth’s surface.  A. Carbon  B. Hydrogen C. Phosphorus  D. A and B  E. All of the above Feedback:Good work; your answer is correct! Part 5 of 8 - 12.0/ 15.0 Points Question 18 of 32 3.0/ 3.0 Points Converting a prairie to a farm field is an example of ________.  A. overharvesting  B. habitat loss  C. exotic species D. climate change  E. two of the above are correct Feedback:Good work; your answer is correct! Question 19 of 32 0.0/ 3.0 Points The number of currently described species on the planet is about ________.  A. 10 million  B. 17,000  C. 1.5 million  D. 150,000 E. 15 million Feedback:A recent estimate suggests that the eukaryote species for which science has names, about 1.5 million species, account for less than 20 percent of the total number of eukaryote species present on the planet (8.7 million species, by one estimate). Question 20 of 32 3.0/ 3.0 Points What kind of ecosystem are exotic species especially threatening to?  A. savannas  B. deserts  C. islands  D. tropical forests  E. marine ecosystems Feedback:Good work; your answer is correct! Question 21 of 32 3.0/ 3.0 PointsPollination is an example of ________.  A. a possible source of new drugs  B. chemical diversity  C. an ecosystem service  D. crop pest control  E. none of the above Feedback:Good work; your answer is correct! Question 22 of 32 3.0/ 3.0 Points Which two extinction risks may be a direct result of the pet trade?  A. habitat loss and overharvesting B. climate change and exotic species introduction  C. overharvesting and exotic species introduction  D. climate change overharvesting  E. habitat loss and climate change Feedback:Good work; your answer is correct! Part 6 of 8 - 15.0/ 21.0 Points Question 23 of 32 0.0/ 3.0 Points Which of the following resulted in an increase in glomerular filtration rate?  A. increasing the efferent arteriole diameter  B. decreasing the efferent arteriole diameter and increasing the afferent arteriole diameter C. increasing the afferent arteriole diameter  D. increasing the efferent arteriole diameter and increasing the afferent arteriole diameter  E. decreasing the efferent arteriole diameter Feedback:Learning Objective: Describe the effect of afferent and efferent arteriole radius on glomerular filtration rate. Please review Lab Exercise 9, Actiivty 1. Question 24 of 32 3.0/ 3.0 Points Glomerular filtrate contains which of the following materials?  A. Salts  B. Proteins  C. Red blood cells D. White blood cells  E. Glomerular filtrate contains all of these materials. Feedback:Correct! Question 25 of 32 3.0/ 3.0 Points What are the two main parts of the nephron?  A. the renal corpuscle and the renal tubule  B. the efferent and afferent arteriole  C. glomerular filtration and tubular reabsorption  D. the glomerulus and the proximal convoluted tubule Feedback:Correct!Question 26 of 32 0.0/ 3.0 Points Which of the following resulted in a decrease in glomerular capillary pressure?  A. increasing the afferent arteriole diameter  B. decreasing the afferent arteriole diameter  C. increasing the efferent arteriole diameter  D. decreasing the afferent arteriole diameter and increasing the afferent arteriole diameter  E. increasing the efferent arteriole diameter and decreasing the afferent arteriole diameter Feedback:Learning Objective: Describe the effect of afferent and efferent arteriole radius on glomerular filtration rate. Please review Lab Exercise 9, Activity 1. Question 27 of 32 3.0/ 3.0 Points What structure of the renal corpuscle collects filtrate and funnels it to the renal tubule? A. Afferent arteriole  B. Loop of Henle  C. Glomerulus  D. Efferent arteriole  E. Bowman’s capsule Feedback:Correct! Question 28 of 32 3.0/ 3.0 Points What structure supplies blood to the renal corpuscle?  A. Loop of Henle  B. Bowman’s capsule C. Efferent arteriole  D. Glomerulus  E. Afferent arteriole Feedback:Correct! Question 29 of 32 3.0/ 3.0 Points When the simulated blood pressure was lowered, which of the following decreased?  A. urine volume  B. glomerular pressure  C. glomerular filtration rate D. glomerular pressure and glomerular filtration rate  E. glomerular pressure, glomerular filtration rate and urine volume Feedback:Correct! Part 7 of 8 - 8.0/ 8.0 Points Answer the following question in your own words without using any resources. Your answer should be written in complete sentences using correct grammar, spelling, and terminology. Question 30 of 32 4.0/ 4.0 Points Briefly explain the effect of afferent arteriole radius on glomerular filtration rate. changes in the afferent arteriole radius had a direct effect on the filtration rate. When the radius was reduced, filtration rate slowed. When the radius was increased, so did filtration rate. Feedback:Learning Objective: Describe the effect of afferent and efferent arteriole radius on glomerular filtration rate. Please review Lab Exercise 9, Activity 1. Question 31 of 32 4.0/ 4.0 Points Describe two ways to decrease the glomerular filtration rate (GFR). by either decreasing the afferent radius or increasing the efferent radius. Feedback:Learning Objective: Describe the effect of afferent and efferent arteriole radius on glomerular filtration rate. Describe the effect of blood pressure on glomerular filtration rate. Please review Lab Exercise 9, Activity 1. Part 8 of 8 - 5.0/ 5.0 Points Instructions: 1. Click on the Browse button to find the lab report on your computer. 2. Click on the Upload button to attach your lab report to the quiz. Question 32 of 32 5.0/ 5.0 Points Attach your completed Lab Exercise 9, Activity 2: The Effect of Pressure on Glomerular Filtration lab report (PEX-09-02_FirstnameL) as the answer to this question.PEX-09-02_Joshua Hall (35.59 KB) Comment:Thank you