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  • Sustainable Agriculture and Nutrition
Long-term mono-cropping suppresses the rhizosphere microbiome via reduced, homogenous rhizodeposits
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This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"Long-term mono-cropping often suppresses plant growth, but the mechanisms behind this are poorly understood. The key may lie in the soil surrounding the plants’ roots. This region, the rhizosphere, is filled with important microbes and the carbon-containing photosynthesis products, rhizodeposits, that plants exude from their roots. Rhizodeposits are part of the link between plants and their rhizosphere microbes. So, a team of researchers examined the interactions among rhizodeposits, rhizosphere microbes, and mono-cropping long-term. They found that years of mono-cropping led to a gradual decrease in carbon deposition and the chemical diversity of the rhizodeposits. These decreases were strongly correlated with decreases in the rhizosphere microbial diversity and metabolic functioning. Mono-cropping long-term also slowly led to a decrease in the abundance of plant-beneficial microbial groups..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Biology
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
04/14/2023
Los datos de nutrición (Nutrition Facts)
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This OER [Los datos de nutrición y biodisponibilidad] was created by [Amanda Rojas]  as part of the 2024 World Language OER Summer work and training. Educators worked with Chrystal Liu, Nick Ziegler and Dorann Avey to create OER Learning Plans and materials. The attached Lesson Plan is designed for 9 - 12 World Language Arts teachers for Novice Learners of Spanish. Students will analyze and evaluate the elements of literary text, build background knowledge to clarify text and deepen understanding, and use relevant evidence from a variety of sources to assist in analysis and reflection of complex text. This Lesson Plan addresses the following NDE World Language Standard(s): NE LA 12.1.6b, NE LA 12.1.6l, and NE LA 12.1.6oIt is expected that this Lesson Plan will take students 120 minutes to complete.

Subject:
Arts and Humanities
Material Type:
Lesson
Author:
Amanda Rojas
Date Added:
06/19/2024
MARKETING
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LEARNING OBJECTIVESAfter studying this chapter, you shoud be able to:explain the meaning of‘marketing’; distinguish between ‘marketing’and ‘selling’;list out important functions of marketing;examine the role of marketing in the development of an economy in a firm, to the society and to consumers;explain the elements of  marketing-mix; classify products into different categories; analyse the factors affecting price of a product;list out the types of channels of distribution; and  explain the major tools of promotion, viz. advertising, personal selling, salespromotion and publicityWHERE DO COMPANIES DO THEIR BUSINESS?In the Markets or in the Society?It is an undisputed fact that a company’s survival does not depend upon its consumers alone, but a diverse set of stakeholders like the government, religious leaders, social activists, NGOs, media, etc. Hence, earning the satisfaction of these segments is also as imperative as they add to the power of the brand by word of mouth.The social concern adds to the strength of the brand. Corporates that embraced the deepest social values, have been successful in building powerful brand, and, eventually, robust customer relationship. The area of corporate social justice fall under two broad categories. The issues such as the nutrition of children, child care, old-age homes, amelioration of hunger, offering aid to those affected by naturalcalamities, etc. needing instant attention with humanitarian perspective, comes under the first category.“Business is not financial science, it’s about trading, buying and selling. It’s about creating a product or service so good that people will pay for it.” — Anta Roddick“Marketing takes a day to learn. Unfortunately it takes time to master.”WHAT IS A MARKETIn the traditional sense, the term ‘market’ refers to the place where buyers and sellers gather to enter into transactions involving the exchange of goods and services. It is in this sense that this term is being used in day today language, even today. The other ways in which this term is being used is in the context of a product market(cotton market, gold or share market), market (national and international market), type of buyers(consumer market and industrial market) and the quantity of goods transacted (retail market and wholesale market).WHAT IS MARKETINGThe term marketing has been described by different people in different ways. Some people believe that marketing is same as ‘shopping’. Whenever they go out for shopping of certain products or services, they describe it as marketing.There are some other people who confuse marketing with ‘selling’ and feel that marketing activity starts after a product or service has been produced. Some people describe it to mean ‘merchandising’ or designing aproduct. All these descriptions may be partly correct but marketing is a much broader concept.1. Needs and Wants:The process of marketing helps individuals and groups in obtaining what they need and want. Thus, the primary reason or motivation for people to engage in the process of marketing is to satisfy some of their needs or wants. In other words, the focus of the marketing process is on satisfaction of the needs and wants of individuals and organisations.A need is a state of felt deprivation or feeling of being deprived of something. If unsatisfied, it leaves a person unhappy and uncomfortable.For example, on getting hungry, we become uncomfortable and start looking for objects that are capable ofsatisfying our hunger. Needs are basic to human beings and do not pertain to a particular product. Wants, on the other hand, are culturally defined objects that are potential satisfiers of needs. In other words, human needs shaped by such factors as culture, personality and religion are called wants. A basic need for food,for example, may take various forms such as want for dosa and rice for a South Indian and chapatti and vegetables for a North Indian person.2. Creating a Market Offering:On the part of the marketers, the effort involves creation of a ‘market offering. Market offering refers to a completeoffer for a product or service, having given features like size, quality, taste, etc; at a certain price; available at agiven outlet or location and so on. Let us say the offer is for a cell phone, available in four different versions, onthe basis of certain features such as size of memory, television viewing, internet, camera, etc., for a given price,say between Rs. 5,000 and Rs. 20,000 (depending on the model selected), available for sale at say firm’s exclusiveshops in and around all metropolitan cities in the country. A good ‘market offer’ is the one which is developed afteranalysing the needs and preferences of the potential buyers.3. Customer Value:The process of marketing facilitates exchange of products and services between the buyers and the sellers. The buyers, however, make buying decisions on their perceptions of the value of the product or service in satisfying theirneed, in relation to its cost. A product will be purchased only if it is perceived to be giving greatest benefit or valuefor the money. The job of a marketer, therefore, is to add to the value of the product so that the customers preferit in relation to the competing products and decide to purchase it.4. Exchange Mechanism:The process of marketing works through the exchange mechanism. The individuals (buyers and sellers) obtain what they need and want through the process of exchange. In other words, the process of marketing involves exchange of products and services for money or something considered valuable by the people. Exchange refers to the processthrough which two or more parties come together to obtain the desired product or service from someone,offering the same by giving something in return.For example, a person feeling hungry may get food by offering to give money or some other product or service in return to someone who is willing to accept the same for food.

Subject:
Marketing
Material Type:
Lesson Plan
Author:
Sachin Salate
Date Added:
04/01/2017
MIT's Greenhouse Gas Simulator
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One of a suite of online climate interactive simulations, this Greenhouse Gas Simulator uses the bathtub model to demonstrate how atmospheric concentrations of CO2 will continue to rise unless they are lowered to match the amount of CO2 that can be removed through natural processes.

Subject:
Physical Science
Material Type:
Simulation
Provider:
CLEAN: Climate Literacy and Energy Awareness Network
Provider Set:
CLEAN: Climate Literacy and Energy Awareness Network
Author:
John Sherman
MIT
Date Added:
09/24/2018
MNT-on-the-Go!
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Medical nutrition therapy (MNT) is an evidence-based, individualized nutrition process meant to help treat certain medical conditions. This platform serves as an interactive educational materials for Dietetics and dietitians too only in a click away. The interactive videos show updated Medical Nutrition therapy with scientific reasonings on managing various diseases.

Subject:
Health, Medicine and Nursing
Material Type:
Module
Author:
SYAHRUL BARIAH ABDUL HAMID
Date Added:
07/04/2022
MVCC Libraries at Mohawk Valley Community College
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Open Educational Resources (OER)
OERs are openly licensed materials that are useful for instructors and students. Open educational resources include full courses, course materials, modules, textbooks, streaming videos, tests, and other materials used to support access to knowledge.
Overview of Open Educational Resources
OER Textbooks Used at MVCC
OER Textbook Collections
Open Courses
OER Images
Other OER materials
Copyright and Creative Commons
Research on OER
OER by Discipline
Art & Music
Business
Criminal Justice
Developmental Reading & Writing
English
History
Math
Political Science
Psychology
Science
Sociology
Technology
Anatomy & Physiology
Lumen Learning A&P open course
Anatomy & Physiology - OpenStax
WISC-Online Health Science Learning Objects
Open Learning Initiative: A&P I & II
Applied Science, Engineering
AC Electrical Circuits Workbook
Embedded Controllers Using C and Arduino Lab Manual 2e
This lab manual introduces embedded controller systems using the Arduino hardware platform and the C programming language. It is intended for students in Electrical Engineering and Electrical Engineering Technology programs at the Associate and Baccalaureate levels.
Embedded Controllers Using C and Arduino Textbook 2e
Lab Manual for AC Electrical Circuits
This is a laboratory manual covering AC electrical circuits, typically a first year course for students in an Electrical Engineering Technology program (AAS or BS). It begins with basic RL and RC circuits and progresses through phasors to AC series, parallel and series-parallel circuits. Includes exercises involving Superposition, Thevenin's Theorem, Maximum Power Transfer Theorem, and series and parallel resonance.
Lab Manual for Computer Programming with Python and Multisim 3e
Lab Manual for DC Electrical Circuits
It begins with basic lab introduction and progresses through Ohm's Law to series, parallel and series-parallel circuits. Includes exercises involving Superposition, Thevenin's Theorem, Mesh and Nodal Analysis, Maximum Power Transfer and concludes with an introduction to capacitors and inductors.
Lab Manual for Operational Amplifiers & linear Integrated Circuits 3e
Lab Manual for Semiconductor Devices: Theory and Application
Operational Amplifiers and Linear Integrated Circuits Textbook 3e
Topics include negative feedback, comparators, voltage amplifiers, summing and differencing amplifiers, high speed and high power devices, non-linear circuit applications, regulators, oscillators, integrators and differentiators, active filters and AD/DA conversion
Semiconductor Devices: Theory and Application Textbook
Wisc Online: Manufacturing & Engineering Learning Objects
Biology
Lumen Learning Open Biology I
Lumen Learning Biology I Lab Manual
Biology - OpenStax
Concepts in Biology - OpenStax
Biofundamentals - online course through the University of Colorado
Intro to Biology lectures - MIT
Khan Academy - Biology
Phet Simulations
PLOS Biology Publications
Summer learning activity student example
Summer learning activity rubric
Summer learning activity student and instructor instructions
WISC-Online Biology Learning Objects
Chemistry
The Basics of General, Organic and Biological Chemistry
Chem 101 - Saylor
ChemCollective
Introductory Chemistry
David W. Ball of Cleveland State University brings his new survey of general chemistry text, Introductory Chemistry. This book is intended for a one-semester introductory or preparatory chemistry course. Throughout the chapters, David presents two features that reinforce the theme of the textbook, that chemistry is everywhere.
Khan Academy - Chemistry
Lumen Learning Chemistry open course
Lumen Learning Chemister Lab Manual
OpenChemistry Lectures - UC Irvine
OpenChemistry features a series of video lectures spanning courses including Preparation for General Chemistry, Organic, Physical, and Graduate level Chemistry among others. These videos are well organized with the topics covered in each listed beside their titles.
Organic Chemistry - MIT
Organic Chemistry - MIT
Phet Simulations
Principles of Chemical Science - MIT Lectures
This course provides an introduction to the chemistry of biological, inorganic, and organic molecules. The emphasis is on basic principles of atomic and molecular electronic structure, thermodynamics, acid-base and redox equilibria, chemical kinetics, and catalysis.
Thermodynamics and Chemistry
Thermodynamics and Chemistry is designed primarily as a textbook for a one-semester course in classical chemical thermodynamics at the graduate or undergraduate level. It can also serve as a supplementary text and thermodynamics reference source.
WISC-Online Chemitry Learning Objects
Earth Sciences
Lumen Learning Earth Sciences
Courses include: Geology, Earth Science, & Geography
Phet Simulations
WISC-Online Earth Science Learning Objects
Health and Nutrition
Lifetime Fitness and Wellness - SUNY OER course
Disease Prevention and Healthy Lifestyles
Contemporary Healthy Issues
Physics
Khan Academy - Physics
Intro to Mechanics - Saylor
Intro to Electromagnetism - Saylor
PH151 & PH152: General Physics
Phet Simulations
WISC Online Physics Learning Objects

Subject:
Social Science
Sociology
Material Type:
Assessment
Author:
RAKAVI111
Date Added:
08/22/2019
Macro-Microarray
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In this activity, learners explore the "nuts and bolts" of gene chips. Learners construct a simple model of a DNA microarray (also known as gene chips) and learn how microarrays can be used to identify and treat disease--including cancer. This resource includes references and an explanation of microarrays.

Subject:
Genetics
Life Science
Material Type:
Activity/Lab
Provider:
Exploratorium
Author:
Julie Yu
National Science Foundation
The Exploratorium
Date Added:
11/07/2007
Macroinvertebrates and Indicators of Water Quality
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This activity is a field investigation where students can go to a body of water and collect the macroinvertebrates there and identify them. Based on what they find, they can assess the water quality by determining the biotic index. Based on the Macorinvertebrate Mayhem from Project Wet.

Subject:
Applied Science
Ecology
Environmental Science
Geoscience
Life Science
Physical Science
Material Type:
Activity/Lab
Assessment
Lesson Plan
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Kim Truchan
Date Added:
12/13/2011
Mad Scientists Club
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Mad Scientists Club - Experiments
by Olivia Taylor Copyright 2019 by Olivia Taylor under Creative Commons Non-Commercial License. Individuals and organizations may copy, reproduce, distribute, and perform this work and alter or remix this work for non-commercial purposes only.

NEBRASKA HONORS PROGRAM CLC EXPANDED LEARNING OPPORTUNITY CLUBS INFORMATION SHEET:
Name of Club: Mad Scientists

Age/Grade Level: varies; Grades 2 - 3rd and 4 - 5th

Number of Attendees: 12-15

Goal of the Club: The goal was to expand the children’s knowledge of basic science principles through demonstration and hands on experiments. Resources: University of Nebraska Lincoln Honors Program

Content Areas: (check all that apply)

☐ Arts (Visual, Music, Theater &Performance)
☐ Literacy
☒ STEM (Science, Technology, Engineering &Math)
☐ Social Studies
☐ Wellness (Physical Education, Health, Nutrition &Character Education)
Outputs or final products: The club did not have a final product, but during many of the weekly experiments we made items the children could take home to show their friends and family.

Introducing your Club/Activities: I led a science club to two groups of kids at separate times. Through experimentation I taught the kids basic natural science fundamentals. We did an experiment each week and a mini lesson to describe the experiment after.

General Directions: Each week once we got to the classroom I took attendance, introduced what we were doing that day, then performed either a demonstration or an experiment with the students. After the experiment was finished we cleaned up then I explained how and why the experiments worked the way they did.

Tips/Tricks: While working through the experiments it worked out best to perform each step with the students and all work at the same pace.

Subject:
Applied Science
Education
Material Type:
Activity/Lab
Lesson
Lesson Plan
Date Added:
08/10/2019
Main Stages of Food Processing Diagram
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This is a diagram visually summarizing the main stages of food processing: ingestion, digestion, absorption, and elimination. This diagram was created to accompany a chapter on digestion and nutrition modified from the OpenStax Anatomy and Physiology textbook for a nonmajor's biology course.

It was modified for biology instruction by Tina B. Jones from a public domain drawing posted to Wikimedia Commons by Tom Kelly, U.S. Fish and Wildlife Service.

Subject:
Biology
Life Science
Nutrition
Material Type:
Diagram/Illustration
Date Added:
06/27/2019
Maintaining Air Quality
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CC BY-NC-SA
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Learners will identify sources of air pollution, explain the greenhouse effect, and detail procedures for improving and maintaining air quality. This represents a portion of the Introduction to Agriculture, Food, and Natural Resources (AFNR) series in Nebraska middle and high school agricultural education.

Subject:
Agriculture
Material Type:
Homework/Assignment
Lesson Plan
Student Guide
Author:
Owl Nest Manager
Date Added:
01/10/2024
Make Your Own Recycled Paper
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Educational Use
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Students learn how paper is made. Working together, student teams make their own paper. This activity introduces students to recycling; what it is, its value and benefits, and how it affects their lives.

Subject:
Applied Science
Ecology
Engineering
Life Science
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Date Added:
09/18/2014
Making Recycled Paper
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Educational Use
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In this adapted ZOOM video segment, cast members get hands-on in the recycling process by using old newspapers to make new paper.

Subject:
Applied Science
Environmental Science
Material Type:
Activity/Lab
Diagram/Illustration
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
10/21/2005
Making Sense of Data - Tree Growth and Climate
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In this learning activity, students analyze an actual dataset of the influence of temperature on tree growth. They use mathematical and statistical concepts like slope equations and lines of best fit to determine the relationship. They are then asked to make predictions about future tree growth under different greenhouse gas emissions, interpreting data from climate models to make these predictions.

Subject:
Applied Science
Biology
Career and Technical Education
Environmental Science
Environmental Studies
Life Science
Physical Science
Material Type:
Activity/Lab
Provider:
CLEAN: Climate Literacy and Energy Awareness Network
Provider Set:
CLEAN: Climate Literacy and Energy Awareness Network
Author:
Climate Change and Michigan Forests
Date Added:
09/24/2018
Making Sense of Macroinvertebrates
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This activity is a field investigation where students gather and observe macroinvertebrates in a pond system. From their initial observations, students will formulate a question and test procedures.

Subject:
Life Science
Zoology
Material Type:
Activity/Lab
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Nicole Drager
Date Added:
08/10/2012
Making a New Apple Cultivar
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Pair this activity with lessons on selective breeding. Students will identify desirable genetic traits in apples and use a coin flip to simulate the steps and time involved to breed a new cultivar of apple. (Photo by Tom Paolini on Unsplash.com)

Subject:
Agriculture
Career and Technical Education
Genetics
Life Science
Material Type:
Activity/Lab
Author:
National Agriculture in the Classroom
Date Added:
03/24/2022
Making a Solar Oven
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This activity from the Department of Energy provides background information about solar ovens and instructions on building a simple model solar cooker.

Subject:
Applied Science
Career and Technical Education
Environmental Studies
Geoscience
Physical Science
Technology
Material Type:
Activity/Lab
Simulation
Provider:
CLEAN: Climate Literacy and Energy Awareness Network
Provider Set:
CLEAN: Climate Literacy and Energy Awareness Network
Author:
Department of Energy
NEED
Date Added:
10/27/2014
Managing Water for Irrigated Agriculture in the Central Arizona Desert
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In the Arizona desert, farmers depend on an ample supply of irrigation to grow their crops. As climate changes, irrigation managers face a host of issues to keep the water flowing.

Subject:
Hydrology
Physical Science
Material Type:
Case Study
Provider:
National Oceanic and Atmospheric Administration
Provider Set:
U.S. Climate Resilience Toolkit
Date Added:
08/09/2016
Mandarinfish
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Even experienced divers rarely get to see the Mandarinfish, a colorful reef fish that is so shy, it only comes out of hiding for a half-hour a day. In this video, Jonathan travels to the south Pacific to film spawning Mandarinfish and witnesses an incredible secret ritual. Please see the accompanying study guide for educational objectives and discussion points.

Subject:
Applied Science
Ecology
Forestry and Agriculture
Geoscience
History
History, Law, Politics
Life Science
Oceanography
Physical Science
Technology
Material Type:
Diagram/Illustration
Lesson Plan
Provider:
Jonathan Bird's Blue World
Provider Set:
Jonathan Bird's Blue World
Author:
Jonathan Bird Productions
Oceanic Research Group
Date Added:
10/01/2009