Eleventh graders practice the Quadrat Survey Technique to analyze the biodiversity of a local plant community. They compare its biodiversity with the documented changes in biodiversity of the tallgrass prairie over time.
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Ecology - Rules for Living on Earth
Populations, communities, ecosystems, and biospheres are the subject of a video that investigates biomes and reveals that taigas, or boreal forests, are the largest biome, covering 17% of Earth's land surface. Viewers then explore how...
10 mins 9th - 12th Science CCSS: Adaptable
New Review Five Crazy Bridges for Animals
How did the chicken cross the road? The video addresses the multiple solutions we created to help animal populations cross roads, power lines, and dams. It explains the reason human-made obstacles hurt animal populations and why it...
3 mins 6th - 12th Science CCSS: Adaptable
Biomes and Population Dynamics - Balance Within Natural Systems
How large can a population become? The fifth installment of a nine-part unit teaches young ecologists about limiting factors that determine the carrying capacity of species in the Sonoran Desert. Here is a PowerPoint to help present this...
9th - 12th Science