What is algae - Study guides, Class notes & Summaries

Seeding of BOD samples is necessary when samples - Correct Answer (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Correct Answer Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.2...

AQA GCSE CHEMISTRY 8462/2F Paper 2 Foundation Tier Version: 1.0 Final *JUN2384622F01* IB/M/Jun23/E15 8462/2F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Tuesday 13 June 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the bo...

Test Bank for Microbiology: The Human Experience (Second Edition) By: John W. Foster; Zarrintaj Aliabadi; Joan L. Slonczewski All Chapters Covered Chapter 01: Microbes Shape Our History MULTIPLE CHOICE 1. Which of the following is NOT considered a benefit of microorganisms? a. nitrogen fixation c. synthesis of vitamins b. production of fermented foods d. causative agents of disease ANS: D DIF: Easy REF: 1.1 OBJ: 1.1a Describe how we define a microbe, and explain why the definition i...

CHAPTER 3—ECOSYSTEMS: WHAT ARE THEY AND HOW DO THEY WORK? MULTIPLE CHOICE 1. Scientists estimate that tropical rain forests contain up to half of the earth’s land plants and animal species. What percentage of the world’s land surface do tropical rain forests cover? a. 2 b. 4 c. 8 d. 10 e. 12 ANS: A PTS: 1 TOP: 3-0 Core Case Study: Tropical Rain Forests Are Disappearing KEY: Bloom's: Remember NOT: New 2. The disappearance of the tropical rain forests is an import...

Test Bank - Campbell Biology Chapter 10 Over 100 Questions with Correct Answers 100% A+ Skill: Application/Analysis Campbell's Biology, 9e (Reece et al.) Chapter 10 Photosynthesis Students find this chapter quite challenging. Fortunately, some of the key concepts, such as chemiosmosis and redox, were discussed previously in the chapter on respiration and fermentation. The new key concepts are light as energy, light absorption and energy conversion by pigments, and linear and cyclic elect...

Certified Pool Operator Study Guide (New 2024/ 2025 Update) Questions and Verified Answers| 100% Correct | A Grade QUESTION Reasons algae forms in pools Answer: bad water circulation low chlorine level high pH level poor maintenance QUESTION Black Algae Answer: can penetrate and damage pool plaster QUESTION Green Algae Answer: primary type of algae found in poorly maintained pools QUESTION Algecide Answer: they ar...

Pool Operator Exam JUNE 2023 Solved 100% Correct answers To be a pool operator you must - ANSWER-Complete a pool operator training course To prevent spinal injury - ANSWER-All of the above The strong suction in the pool (ENTRAPMENT) is the - ANSWER-Main Drain Electrical systems in the pool must have - ANSWER-GFIs (Ground Fault Circuit Interrupters?) The skimmer _____ prevents floating debris from re-entering the pool - ANSWER-WEIR What is filtration? - ANSWER-Physical process...

Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Objective: 01.05 The evolutionary relatedness of organisms is best reflected in phylogenetic trees. Learning Outcome: 01.02a Propose a timeline of the ori...

plants without stems, leaves, or vascular systems algae three types of algae microscopic, filamentous, chara turn water green, phytoplankton, turnover in spring microscopic algae blue-greem streaks, HAB cyanobacteria grows at surface or on submerged plants in mats, issue in cooling tower veins filamentous algae pond moss, spirogyra, cladophora, pithophora, hydrodictyon filamentous algae branching algae, needle leaves chara stonewort and mus...