SCIN 130 AMU Quiz 8 Introduction to Biology American Military University assistance is available on Domyclass
SCIN 130 AMU Quiz 8
| Part 1 of 7 – Chapter 20 Question 1 of 31 Why are those at the top of a food chain affected if a species at the bottom of the food chain consumes a toxin? A. fat soluble compounds biomagnify B. species at the bottom enjoy toxins C. species at the top eat more D. water availability decreases Question 2 of 31 Because the desert has extreme temperatures and a shortage of water, what type of net primary productivity does it have? A. high B. medium C. productive D. low Question 3 of 31 What term describes the energy that remains in the producers after accounting for respiration and heat loss? A. grazing food web B. detrital food web C. gross primary productivity D. net primary productivity Question 4 of 31 What happens to the amount of energy as it moves between trophic levels? A. increases B. stable C. no change D. decreases Question 5 of 31 Where is the majority of the water on Earth found? A. snow B. salt water C. fresh water D. ice E. marsh Question 6 of 31 A wolf is an example of what member of the food chain? A. producer B. tertiary consumer C. secondary consumer D. apex consumer E. primary consumer Question 7 of 31 What is a food web that includes decomposers and detritivores called? A. Herbivorous food web B. Grazing food web C. Carnivorous food web D. Detrital food web Question 8 of 31 Temperature and precipitation are examples of what in an environment? A. essential factor B. living factor C. biotic factor D. abiotic factor Question 9 of 31 What is the area of Earth where water movement and storage occurs? A. stratosphere B. hydrosphere C. atmosphere D. troposphere |
| Part 2 of 7 – Chapter 21 Question 10 of 31 Which statement about extinction is true? A. Extinction rates have remained steady through time B. Extinction is only caused by humans C. Extinction rates are currently low D. Extinction is a natural process Question 11 of 31 What is the main purpose of the Svalbard Seed vault? A. store seeds for crop biodiversity B. store seeds for plant biodiversity C. store seeds for agriculture D. store seeds as a museum Question 12 of 31 Which is an example of habitat destruction? A. removing a dam from a river B. replacement of tropical forests with palm oil plantations C. hunting of West African black rhinoceros to extinction D. introduction of Japanese barberry to northeastern forests Question 13 of 31 What is the estimated rate of extinction? A. 500-1000 times background rate B. 5-10 times the background rate C. 50-100 times the background rate D. 1500-2000 times background rate Question 14 of 31 Which of the following is not in effect in the US that helps regulate human and corporate behavior for conservation of biodiversity? A. MBTA B. the Kyoto Protocol C. CITES D. the Endangered Species Act Question 15 of 31 Which of the following has NOT led to the fisheries extinction? A. advances in technology B. tragedy of the commons C. decreased demand for fisheries species D. limited government regulation and oversight Question 16 of 31 What kind of diversity directly leads to chemical diversity? A. habitat B. ecosystem C. species D. genetic Question 17 of 31 Several pet Burmese pythons escape a breeding facility when a hurricane destroys the building. With a limited number of predators their population quickly grows. Declines in native animal populations are severe. This is an example of what? A. climate change B. habitat loss C. overharvesting D. exotic species Question 18 of 31 Biodiversity does not increase: A. when latitude increases B. when ecosystems are older C. where endemic species are found D. where there are more ecological niches |
| Part 3 of 7 – Lecture ELF Question 19 of 31 What is the biggest difference between primary and secondary succession? A. the presence of fire B. the presence of soil C. the presence of light D. the presence of animals Question 20 of 31 Which term best describes an interaction where one species benefits while the other is not harmed? A. Commensalism B. Parasitism C. Mutualism D. Predation E. Competition Question 21 of 31 Which term best describes an interaction where two organisms directly go after the same resource and one will triumph? A. Commensalism B. Predation C. Mutualism D. Competition E. Parasitism |
| Part 4 of 7 – Part 3: Lab ELF Question 22 of 31 What is the value of using peer reviews in scientific work? A. To make the process of writing a journal article faster B. To leverage the collective expertise of your peers and their unique perspectives C. To brag about your accomplishments to your friends D. To prove that your work is correct Question 23 of 31 Which part of a scientific manuscript details work performed, data analyzed, and tests conducted? A. Introduction B. Results C. Discussion D. Methods Question 24 of 31 In a series of experiments the following data table for number of hits vs. trial was constructed. If a graph was created and the linear regression trendline was found to be y = 86.6x – 52. If you were to use this equation to predict the number of hits on Trial 6, what would the value be? Trial Number of Hits 1 38 2 100 3 240 4 280 A. 722 B. 398 C. 356 D. 468 |
| Part 5 of 7 – Lab Material Question 25 of 31 The differences in allele frequency is due to both length of time species are separated as well as what? A. geographic distance B. color of ivory C. type of meals D. size of family Question 26 of 31 How many elephants are estimated to be slaughtered each year? A. 250,000 B. 50,000 C. 100,000 D. 1 million Question 27 of 31 What were we looking at in this case in order to determine the location of the poached elephants? A. absence of empathy B. presence or absence of alleles C. presence of forages in the stomach D. color of seized ivory compared to wild Question 28 of 31 How can you tell if an allele is homozygous by looking at an agarose gel? A. There are no bands B. There is only one band C. There are two bands D. There are many bands Question 29 of 31 What country did Wasser’s team trace the poached ivory to? A. Kenya B. Zimbabwe C. The DRC D. Namibia E. Tanzania |
| Part 6 of 7 – Lab Essay Question 30 of 31 In 2-3 sentences, what was the overall purpose of the lab for this week? |
| Part 7 of 7 – Lab Upload Question 31 of 31 Please upload your completed Lab Packet for this week. Make sure your name is on the top in the space provided. |