Lab 2 Pre-Lab Quiz - Darwinian Snails: Attempt review | eClass

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Dec 6, 2023

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2023-11-28, 1 : 26 PM Lab 2 Pre-Lab Quiz - Darwinian Snails: Attempt review | eClass Page 1 of 6 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5035242&cmid=2492389 SC/BIOL1001 A - Biology II - Evolution, Ecology, Biodiversity and Conservation Biology (Fall 2023-2024) (Labs 01 - 11) ❯ Lab 2 Pre-Lab Quiz - Darwinian Snails Question 1 Correct Mark 1.00 out of 1.00 Started on Monday, 25 September 2023, 8 : 04 PM State Finished Completed on Monday, 25 September 2023, 8 : 26 PM Time taken 22 mins 5 secs Marks 10.00/10.00 Grade 100.00 out of 100.00 Select one: An adaptation is defined as a trait that increases an organism's________________. a. survival b. ability to find food c. fitness d. ability to avoid predators The correct answer is: fitness
2023-11-28, 1 : 26 PM Lab 2 Pre-Lab Quiz - Darwinian Snails: Attempt review | eClass Page 2 of 6 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5035242&cmid=2492389 Question 2 Correct Mark 1.00 out of 1.00 Question 3 Correct Mark 1.00 out of 1.00 Select one: What does the term phenotype mean ? a. The complete sequence of DNA in all of an individual's chromosomes b. A section of DNA that encodes information for building one or more related polypeptides. c. All the alleles of every gene present in a given individual. d. The detectable physical and physiological traits of an individual organism. The correct answer is: The detectable physical and physiological traits of an individual organism. Select one: A specific genetic trait is selected against. What will be the likely impact on an individual possessing this trait ? a. Nothing, traits are only selected "for". b. Decreased chance of survival. c. Increased chance of survival. d. The gene will be excised using nucleases. The correct answer is: Decreased chance of survival.
2023-11-28, 1 : 26 PM Lab 2 Pre-Lab Quiz - Darwinian Snails: Attempt review | eClass Page 3 of 6 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5035242&cmid=2492389 Question 4 Correct Mark 1.00 out of 1.00 Question 5 Correct Mark 1.00 out of 1.00 Question 6 Correct Mark 1.00 out of 1.00 Select one: What is the main trait being studied in this lab ? a. Shell shape b. Shell colour c. Shell length d. Shell thickness The correct answer is: Shell thickness Select one: Variation necessary for natural selection comes in part from_______________. a. mutation b. differential survival c. heritability d. environmental pressures The correct answer is: mutation Select one: The deadline for completing the Darwinian Snails SimUText exercise is________________. (This question asks for the actual deadline, not the grace period). a. Friday Sept 29, 11 : 59 p.m. b. Sunday Oct 1, 11 : 59 p.m. c. Thursday, Sept 28, 11 : 59 p.m. d. Monday Oct 2, 11 : 59 p.m. The correct answer is: Friday Sept 29, 11 : 59 p.m.
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2023-11-28, 1 : 26 PM Lab 2 Pre-Lab Quiz - Darwinian Snails: Attempt review | eClass Page 4 of 6 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5035242&cmid=2492389 Question 7 Correct Mark 1.00 out of 1.00 Question 8 Correct Mark 1.00 out of 1.00 Select one: This laboratory examines the impact of natural selection on a(an)____________. a. Population b. Ecosystem c. Individual d. Community The correct answer is: Population Select one: For natural selection to cause evolutionary changes in a character in a population, the character must show________. a. variation due to heritable differences between individuals b. any kind of variation c. no variation d. variation due to the influence of environmental factors on the development of individuals The correct answer is: variation due to heritable differences between individuals
2023-11-28, 1 : 26 PM Lab 2 Pre-Lab Quiz - Darwinian Snails: Attempt review | eClass Page 5 of 6 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5035242&cmid=2492389 Question 9 Correct Mark 1.00 out of 1.00 Question 10 Correct Mark 1.00 out of 1.00 Select one: What does the term Natural Selection mean ? a. The process by which animal and plant breeders create new varieties of domesticated organisms b. The process through which individuals with certain traits tend to produce more surviving offspring that individuals without those traits. c. The number and relative frequency of alleles present in a particular population. d. Any change in the hereditary material of an organism. The correct answer is: The process through which individuals with certain traits tend to produce more surviving offspring that individuals without those traits. Snake handler Bill Haast became resistant to cobra venom after injecting himself with small quantities of the venom over a prolonged period. Over the course of his career he survived more than 20 cobra bites, any one of which would have been fatal to most people. In biological terms, Haast's resistance to cobra venom is an example of___________________. a. evolution b. acclimatization c. adaptation d. natural selection The correct answer is: acclimatization
2023-11-28, 1 : 26 PM Lab 2 Pre-Lab Quiz - Darwinian Snails: Attempt review | eClass Page 6 of 6 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5035242&cmid=2492389 Previous activity Lab 2 Handout: Darwinian Jump to... Next activity Lab 3 Handout: Sickle-Cell
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