In this video Paul Andersen explains how the Earth's climate will natural change due to interactions between the Sun and Earth, volcanism, and plate tectonics. Species may go extinct leading to adaptive radiation or may move to a...

Discover a process that truly demonstrates nature's grit: ecological succession! The Amoeba Sisters introduce both primary and secondary succession

Join the Amoeba Sisters as they take a brisk "stroll" through their biology playlist! This review video can refresh your memory of major concepts, help you identify what you need to re-study, and reinforce vocab. Expand these details for...

Paul Andersen describes the process of ecological succession. During this process life reestablished itself after a disturbance. During primary success all of the material is removed including the soil. For example during a volcanic...

In the world of ecology, the only constant is change - but change can be good. Today Hank explains ecological succession and how ecological communities change over time to become beautiful, biodiverse mosaics.

In this video, the teacher covers key concepts related to communities in ecology. They discuss how different populations interact within a community, the role of limiting factors in population dynamics, and the importance of tolerance in...

This live-action video program is about the term biological succession. The program is designed to reinforce and support a student's comprehension and retention of the term biological succession through use of video footage,...

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

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

The Effects of Disturbances on Ecosystems: This Clip gives examples of how disturbances - both large and small - affect ecosystems and their reestablishment.