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2/6/24, 9:41 PM Quiz B: EOSC 315 99C 2023W2 The Ocean Ecosystem https://canvas.ubc.ca/courses/137667/quizzes/678626 1/11 Quiz B Due Feb 7 at 11:59p.m. Points 5 Questions 20 Available Jan 31 at 12a.m. - Feb 7 at 11:59p.m. Time Limit 60 Minutes Allowed Attempts 2 Instructions Attempt History Attempt Time Score KEPT Attempt 2 35 minutes 4.56 out of 5 LATEST Attempt 2 35 minutes 4.56 out of 5 Attempt 1 57 minutes 4.13 out of 5  Correct answers are hidden. Score for this attempt: 4.56 out of 5 Submitted Feb 6 at 9:40p.m. This attempt took 35 minutes. Quiz Coverage. Learning Objectives for: • Module B: Members of the Ocean Realm "Answers" to the Objectives can be found in the Course Notes and optional textbook readings PLEASE choose the BEST answer for each question. Quizzes are Open Books and Open Notes. While writing self-invigilated Quizzes, students are reminded to strongly uphold the principles of Academic Honesty as outlined in the UBC Academic Regulations. Academic misconduct that is subject to disciplinary measures includes, but is not limited to, engaging in, attempting to engage in, or assisting others to engage, in cheating, impersonating a registered student at a Quiz, submitting false records or information, and falsifying or submitting false documents. Disciplinary measures are outlined in the section on Student Conduct and Discipline of the UBC Academic Regulations.

2/6/24, 9:41 PM Quiz B: EOSC 315 99C 2023W2 The Ocean Ecosystem https://canvas.ubc.ca/courses/137667/quizzes/678626 2/11 0.25 / 0.25 pts Question 1 Which of the following is NOT a characteristic of tuna? Tuna utilize a high caloric diet to feed their activity that can result in a high internal temperatures (compared to ocean temperatures). Tuna can average speeds faster than 65 kilometres per day. As a bony fish, tuna have reduced or eliminated their swim bladders and must use muscular movement to change depths in the water column. Tuna can be highly maneuverable in tight, compact environments. Tuna have evolved less scales than most bony fish due to its fast moving lifestyle. 0.25 / 0.25 pts Question 2 The process of photosynthesis involves carbon dioxide, water and solar energy to yield simple sugars as an energy storage product , with oxygen as a waste product. Oxygen an important component for aerobic respiration. True False

2/6/24, 9:41 PM Quiz B: EOSC 315 99C 2023W2 The Ocean Ecosystem https://canvas.ubc.ca/courses/137667/quizzes/678626 3/11 0 / 0.25 pts Question 3 Incorrect Incorrect Which of the following is an example of meroplankton where the juvenile stage is benthic? blue mussels jellyfish krill salmon cyanobacteria 0.25 / 0.25 pts Question 4 Which organism(s) are very important decomposers in all microbial loops? copepods coccolithophores diatoms cyanobacteria heterotrophic bacteria 0.25 / 0.25 pts Question 5

2/6/24, 9:41 PM Quiz B: EOSC 315 99C 2023W2 The Ocean Ecosystem https://canvas.ubc.ca/courses/137667/quizzes/678626 4/11 Countershading is a form of camouflage for pelagic fish that helps them escape visual predators. True False 0.13 / 0.25 pts Question 6 Answer 1: Answer 2: Answer 3: Answer 4: Partial Partial To maintain their internal ion content, salmon swimming in a river must [ Select ] freshwater [ Select ] while salmon swimming in the ocean must [ Select ] the seawater and [ Select ] . drink urinate drink urinate 0.19 / 0.25 pts Question 7 Partial Partial

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