Curated OER
Energy Flow Through Ecosystems
Middle or high school environmental studies classes will learn much from this presentation on energy in ecosystems. It covers the foundational topics of trophic levels, food webs, and nutrient cycles using informational text and...
Biology Junction
Ecology
Psychologists study human relationships while ecologist study relationships between organisms in the environment. An introduction to ecology and the related vocabulary benefits scholars as they progress through the presentation and...
Curated OER
Ecology
For use early in the year with your ecology class, this collection of slides introduces viewers to cycles in nature and relationships between organisms. There is a food web diagram, but the presentation is incomplete without any diagrams...
Curated OER
2005 Grade 8 Science Released Test Questions
Here is a collection of 22 multiple-choice questions on topics from the physical and life sciences. Apparently they came from an 8th grade comprehensive science exam and have been released for public use. They may serve as a sufficient...
Biology Junction
Energy Flow in an Ecosystem
Every living thing requires a food source, thus the interconnections in ecosystems become complex. Scholars learn about these interconnections in a presentation on energy flow. It starts with the sun and moves through many different...
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