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- Next Generation Science Standards (for K-12) [X]
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Why are some plants hairy?
These slides contain information about plant hairs called trichomes. The slides can be used to demonstrate plant structural adaptions to biotic and abiotic conditions. Slides which feature confocal/fluorescence microscopy may be useful as examples in a cell biology class.
Publisher: PlantEd Digital Library
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Video of the Gram Stain Procedure for Biology Laboratory
This video shows the procedure for conducting the Gram stain. Step-by-step instructions and comparisons of gram-negative and gram-positive bacteria are provided to show viewers how to conduct the protocol.
Publisher: PlantEd Digital Library
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Energy Storage in Plants: Should Biofuels Be Made from Seeds or Leaves and Stems?
The investigation involves students determining where plants store potential energy (a.k.a., chemical energy). In the investigation, students will grow rapid cycling Brassica rapa plants and observe that the dry weight (mass) increases because of photosynthesis. They will measure the amount of energy stored in seeds and vegetative tissues by using a simple calorimeter. The information collected...
Publisher: PlantEd Digital Library
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Plant hairs are called trichomes.
Why are some plants hairy? This video explains the roles of plant hairs and how they help plants adapt to different environments and deter predators.
Publisher: PlantEd Digital Library
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https://www.youtube.com/watch?v=ed2ieMAvyKY
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Testing hypotheses about behavioral interactions between cats, coyotes, and birds at carcasses
In this activity, students will play the role of a field biologist quantifying and explaining animal behavior using the scientific method (observation – hypothesis – prediction – test). Powerpoint slides contain a series of photos of scavengers at deer carcasses. Students will form hypotheses about the behavioral interactions in the photos, then make predictions that could be used to test their...
Publisher: EcoEd Digital Library
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