Students get acquainted with earthworms and gain an appreciation of the variety of functions earthworms play in ecology. They each receive an earthworm to gently explore and study. They explain how earthworms have a beneficial effect on soil.
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Complex Animals: Annelids and Arthropods
Introduce your class to the importance of segmentation in evolutionary history with a video that explain how segmentation permitted the development of complex animals. The narrator analyzes examples of annelids and arthropods in terms of...
13 mins 9th - 12th Science CCSS: Adaptable
New Review Invasion of the Yellow Crazy Ants!
How much does an invasive species really matter? The video focuses on examples of accidental species spread as well as intentional introductions. It highlights the problems caused by spreading new plants and animals to areas with no...
4 mins 6th - 12th Science CCSS: Adaptable
How does something remain the same in order to change? The video discusses homeostatic evolution from both the continuity and changing perspectives. An analysis of the excretory system in flatworms, earthworms, and vertebrates shows...
11 mins 9th - 12th Science CCSS: Adaptable