Quiz 4_ Sustainable Environments

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Temple University *

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Geography

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Feb 20, 2024

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2/9/24, 3:59 PM Quiz 4: Sustainable Environments https://templeu.instructure.com/courses/139349/quizzes/456788 1/3 Quiz 4 Due Feb 9 at 11:59pm Points 5 Questions 5 Available Feb 5 at 12am - Feb 9 at 11:59pm Time Limit 15 Minutes Allowed Attempts 2 Attempt History Attempt Time Score KEPT Attempt 2 8 minutes 4 out of 5 LATEST Attempt 2 8 minutes 4 out of 5 Attempt 1 4 minutes 4 out of 5 Score for this attempt: 4 out of 5 Submitted Feb 9 at 3:58pm This attempt took 8 minutes. 1 / 1 pts Question 1 What part of the atom is negatively charged, is found outside the nucleus, and is attracted by other atoms during chemical bonding? Protons Electrons Correct! Correct! Atomic number Neutrons 1 / 1 pts Question 2
2/9/24, 3:59 PM Quiz 4: Sustainable Environments https://templeu.instructure.com/courses/139349/quizzes/456788 2/3 An invasive species of insect enters an ecosystem and begins to quickly reproduce. The increased offspring lead to even more reproduction, which result in still more offspring the following year. This eventually creates exponential growth. What is the name of this example? Dynamic equilibrium Homeostasis A negative feedback loop A positive feedback loop Correct! Correct! 1 / 1 pts Question 3 Iodine-131 is a radioisotope with a half-life of about 8 days. What happens after 8 days? It stops releasing ionizing radiation. Half of its electrons are lost to other atoms. Half of its atoms decay to a stable isotope. Correct! Correct! Its atomic mass decreases by half. 1 / 1 pts Question 4 Which of these ecosystems would you expect to have the greatest net primary productivity ? Cultivated farmland
2/9/24, 3:59 PM Quiz 4: Sustainable Environments https://templeu.instructure.com/courses/139349/quizzes/456788 3/3 A tundra An estuary Correct! Correct! A savannah 0 / 1 pts Question 5 What is the largest reservoir of carbon? The atmosphere Living organisms The oceans ou Answered ou Answered Sediments orrect Answer orrect Answer Quiz Score: 4 out of 5
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