Biology Junction
Changes in Ecosystems: Ecological Succession
Can an area with no soil turn into a forest? Scholars learn about the process of ecological succession using an interesting presentation. It covers both primary and secondary succession in the building of new ecosystems.
Curated OER
Coastal Ecosystems: Salt Marshes and Mangroves
What factors drive a coastal ecosystem? Marine biology or environmental studies classes find out by viewing this presentation. They meet the fauna and flora of salt marshes and mangroves. They are familiarized with threats to these...
Curated OER
The Biogeochemical Cycles
The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...
Curated OER
Salt Marshes - Biotic Perspectives
The vocabulary used in this presentation on salt marshes makes it most appropriate for high school or college level ecology classes. The content, however, is relatively simple; It introduces the flora and fauna of this type of ecosystem....
CFR Washington
Urbanization and Wildlife
Urbanization and how it affects wildlife is the focus of a presentation that uses statistics to make a case for concern and change.
Sophia Learning
Sophia: Food Webs: Lesson 1
This lesson will explain how to create a food web to show transfer of energy within a community. It is 1 of 4 in the series titled "Food Webs."