Prof Toff

8.87K subscribers

369 videos

Hi! I teach Environmental Biology and Ecology & Evolution. I started creating lecture videos for these classes to do a flipped classroom and to teach online....

Latest Videos

The Four Sexes of the White-throated Sparrow

The Science of Graphing

How Governments Can Reduce Greenhouse Gas Emissions

How You Can Reduce Greenhouse Gas Emissions

Food Labels Organic & Beyond

How is Organic Farming Achieved

The Impacts of Pesticides

When Pesticides Go Wrong

Killing Pests Without the Pesticides

Land Use Change to Agriculture

Synthetic Fertilizer Use in Agriculture

How Fertilizer Can Cause Eutrophication

The Impacts of Agricultural Livestock

Introduction to Agricultural Systems

The Growing Human Population

Food Webs From Food Chains to Full Communities

Energy Flow in Ecosystems

Understanding Food Chains

Are Eastern Bluebirds Thriving

Our Home Through the Eastern Bluebird’s Lens

Making a Line Graph in Microsoft Excel

How to Make a Scatterplot in Microsoft Excel

How to Make Bar Graphs in Microsoft Excel

Blackboard Ultra Submitting Assignments & Ensuring They Went Through

Blackboard Ultra Reviewing Answers to Quizzes & Tests

Blackboard Ultra Reviewing Assignments & Feedback

Recycling in Montgomery County, MD

Composting in Montgomery County, MD

Solid Waste Management in Montgomery County, MD

The Scientific Method What It Is and How It's Part of Your Daily Life