Paul Andersen differentiates between biotic and abiotic factors. He explains how both abiotic and biotic factors can affect organisms at the level of the cell, the population and even the ecosystem. The complexities of biofilms,...

Paul Andersen reviews the major components of the homeostasis. He explains how organisms respond to abiotic and biotic factors in their environment with feedback loops. He shows how responses can be behavioral or physiological.

An important part of any ecosystem are the biotic (living) and abiotic (non-living) factors. This video explore what each of them are, and how to identify them. To learn more about ecosystems in general check out our other video on...

This video is a lecture presentation on biotic factors. The presenter defines and explains how biotic factors, which are living factors that affect a community, can impact the members and distribution of organisms in ecosystems. The...

This video is a lecture presentation on biotic factors. The presenter defines biotic factors and explains how they can affect communities and ecosystems. The focus is on living factors, such as availability of food, arrival of new...

Explain ecosystem, environment its biotic and abiotic components, the levels of ecological hierarchy and the branches of ecology.

This live-action video program is about the word biotic. The program is designed to reinforce and support a student's comprehension and retention of the word biotic through use of video footage, photographs, diagrams and colorful,...