Interreach variability and correlation analyses between biotic and abiotic factors of the Old Chelsea stream BIO2129 Section Demonstrators: October 1‚ 2014 Department of Biology Hypotheses Water quality parameters such as pH‚ dissolved oxygen‚ seston‚ water temperature etc. are important variables in the abundance and diversity of benthic macroinvertebrates of the Old Chelsea stream. Therefore‚ it can be hypothesized that pH and dissolved oxygen have a direct correlation on biotic factors
Premium Biotic component Statistical hypothesis testing Oxygen
What are the dependent and independent variables? What are your controls - both positive and negative? How will you collect your data? How will you present your data (charts‚ graphs‚ types)? How will you analyze your data? Observations 1. A plant grows three inches faster per day wWhen Sally eats healthy foods and exercises regularly‚ her blood pressure is 10 points lower than when she does not exercise and eats fatty foods. 4. The Italian restaurant across the street closes at 9
Premium
b 1 Exercise 1: Dissolved oxygen is oxygen that is trapped in a fluid‚ such as water. Since virtually every living organism requires oxygen to survive‚ it is a necessary component of water systems such as streams‚ lakes and rivers in order to support aquatic life. The dissolved oxygen is measure in units of ppm—or parts per million. Examine the data in Table 2 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally
Premium Water Number
solution Red-Orange Ni(NO3)2 Transparent‚ blue Green-Blue Unknown A Colourless solution Green Unknown B Colourless solution Light Purple Unknown C Colourless solution Bright Orange Unknown D Colourless solution Dark Red Questions: 1. Unknown A Ba(NO3)2 Unknown B KNO3 Unknown C NaCl (aq) Unknown D Sr(No3)2 2. The ranking would be as follows: Sr(NO3)2 ‚ LiNO3‚ Ca(NO3)2‚ NaNO3‚ Solid NaCl‚ NaCl‚ Ba(NO3)2‚ Cu(NO3)2‚ Ni(NO3)2 and lastly KNO3. 3. Most of the anions are
Premium Color Potassium Solid
Rousselle Molina Ms.Moraima Group 2; HW 1 9-25-12 EVOLUTION; NATURAL SELECTION I.ABSTRACT: As we all know‚ evolution is a change in population over a period of time. Natural Selection as its own mechanism takes place for survival of the offspring from varying changes of the environment. One good example of natural selection is the population of peppered moth predominant in England. During pre-industrial revolution‚ there were highly significant light colored moths that
Premium Natural selection
Lab 1 Installing Servers This lab contains the following exercises and activities: Exercise 1.1 Exercise 1.2 Lab Challenge Performing a Clean Installation Installing Windows Server Migration Tools (WSMT) Accessing a WSMT Distribution Point BEFORE YOU BEGIN The lab environment consists of computers connected to a local area network. The computers required for this lab are listed in Table 1-1. Table 1-1 Computers Required for Lab 1 Computer Operating System Computer Name New server
Premium Operating system Microsoft Windows Windows NT
1) Relate how Windows Server 2008 R2 Active Directory and the configuration of access controls achieve CIA for departmental LANs‚ departmental folders‚ and data. a. By having domains and access rights and permissions‚ an administrator can achieve confidentiality‚ integrity‚ and accountability by controlling what files and resources a user can access. 2) Is it good practice to include the account or user name in the password? Why or why not? a. No it is not good practice because it makes it
Free File system Password
Instructions for successfully completing NETW202 Labs and Lab Reports: 1. Make sure that you understand the objective of the lab(s) and the requirements for successfully performing them. 2. Use this Lab Report template for all of your labs. Do not turn in separate documents for each lab or create your own document! Each lab is easily identified within this document. Note: It is a good idea to read over this template before performing your labs‚ so that you know what to expect. 3. Follow
Premium Control key
NETW410 Week 1 Lab Report Lab Report: (70 points) Place the answers below the questions using a red-colored font. Answer in college-level sentences with proper grammar and spelling. Answer each part of the question for full credit. Question 1 (3 points) What is your experience with the Visio software? Have you used it before or is it your first experience with Visio? I have limited experience with Visio. I played around with it a little months ago but this class will be my first regular
Premium Diagram
Your assignment is worth 50 points. Question 1 of 25 What property of a compound light microscope enables a person to change objectives without major focusing adjustments? resolving power magnification parfocal focusing resolution Question 2 of 25 How does closing the iris diaphragm affect image brightness and contrast? decreases both increases both decreases brightness and increases contrast increases brightness and decreases contrast decreases brightness but
Premium Optics Lens Telescope