Amoeba Sisters
Food Webs and Energy Pyramids: Bedrocks of Biodiversity
Explore food chains, food webs, energy pyramids, and the power of biodiversity in this ecology video by the Amoeba Sisters! This video also introduces general vocabulary for the unit of ecology.
Professor Dave Explains
Food Webs and Trophic Cascades
Now that we know about nutrient cycling, we are ready to look at food webs as a whole. These represent feeding relationships within a community.These relationships designate certain trophic levels, so let's learn about what these mean...
Curated Video
Energy in an Ecosystem
The video “Energy in an Ecosystem” discusses the complex relationship between organisms in an ecosystem, focusing on how small changes can have a large impact.
Curated Video
Trophic Levels and Biomass in Ecology
The video discusses the important ecological concepts of trophic levels and biomass. The video provides an example of a food chain, from grass plants as producers to apex predators that have no predators of their own. The video explains...
Curated Video
Understanding Trophic Levels in an Ecosystem
The video is a lecture presentation on trophic levels in ecosystems. The presenter defines trophic levels as feeding levels in a community or ecosystem and explains how they can be used to organize feeding relationships. The concept of a...
Nature League
Biodiversity and Extinction Vulnerability - De-Natured
In this De-Natured segment of Nature League, Brit breaks down a recent scientific journal article about the impact of biodiversity on extinction vulnerability in terms of trophic redundancy. Article citation: Dirk Sanders, Elisa...