50 aquatic - Study guides, Class notes & Summaries

5.0 Aquatic & Mosquito

List the roles plants play in a healthy aquatic ecosystem. - ANSWER--producing oxygen -preventing shoreline erosion -lessening excess nutrients during growing season -stabilizing lake bottom -providing food and habitat for fish, waterfowl, and other aquatic animals List ways that excessive plant growth can adversely affect the ecology and uses of a water body. - ANSWER--harm ecology of aquatic ecosystem -curtail or prevent recreational water uses (e.g. fishing, boating, swimming) -impa...

NREM 120 Final Exam Questions with Answers Which of the following is NOT true about carbon dioxide? - Answer-it may cause emphysema and skin cancer it is produced in much greater quantities than other greenhouse gases it has the most significant i mpact on human induced global warming it is produced during the comnusion of fossil fuels Which of the following is a consequence of acidic deposition? - Answer-it reduces or terminated reproduction of many aquatic organisms Which of the fo...

PADI Open Water Diver Final Exam Questions and Answers Latest Updated 2024/2025 Scored A+. If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water would A sink. B either sink or float. C do nothing. D float. - answerD 2) I blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will happen to the balloon and the air inside it? A The balloon will get bigger and the air inside the balloon will be less den...

APES - Unit 4 Quizpopulation - correct answer composed of all individuals that belong to the same species and live in a given area at a particular time; 5 characteristics: Size, density, distribution, sex-ratio, and age structure. community - correct answer incorporates all of the populations of organisms within a given area; how species interact within; all biotic and abiotic components in a location population ecology - correct answer the study of factors that cause populations to inc...

Washington State Pesticide License Exam Review: Aquatic Terms and Other Need to knows Abatement to reduce a population of public health pests abscission the formation of a layer of cells which cause the fruit, leaf, or stem to fall off a plant activator material used in a pesticide formulation to increate the effectiveness of the toxic materials acute oral LD50 the single oral dosage required to kill 50% of the test animals in toxicity studies acute toxicity the amount of a...

Where can you find the pesticide setback distances from wells and surface waters? 400 feet Applying setback: Gravel Packed Public Well 250 feet Applying setback: Non Gravel Packed Public Well 250 feet Applying setback: Public Water Supply Within Watershed out to 5 miles 50 feet Applying setback: Public Waters 25 feet Applying setback: Non Public Waters 400 feet Mixing and Loading setback: Gravel Packed Public Well 250 feet Mixing and Loadi...

Chapter 03 - Life in Water Multiple Choice Questions 1. Which of the following vertical aquatic zones is correctly ordered from top to bottom? A. bathypelagic, mesopelagic, epipelagic, abyssal, hadal B. epipelagic, mesopelagic, bathypelagic, abyssal, hadal C. abyssal, bathypelagic, hadal, mesopelagic, epipelagic D. epipelagic, bathypelagic, mesopelagic, hadal, abyssal E. mesopelagic, abyssal, epipelagic, hadal, bathypelagic Blooms: Remember Learning Objective: 03-02 The biology of aquatic...

Wastewater Treatment Operator Certification Test 2 final study guide 2024/2025 What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% - CORRECT ANSWER-C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteria in the activated sludge process C) The MLVSS in the aeration tank D) The food for the microorganisms flowing i...

PNB 2250 EXAM 1 PRACTICE QUESTIONS AND ASNWERS Which statement is true? a. Heme is commonly found within seawater b. Heme-based proteins played a key role in the metabolism of carbon dioxide into forms less toxic to cells. c. Heme-based proteins likely developed as a means by which Fe was transported safely. d. Oxygen binding to heme is insensitive to the presence of acid in mammals. e. Early anaerobic life used heme-based proteins to minimize oxygen toxicity. - Ans:-(e) Early anaerobic...