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7 items
This collection includes the following for teaching VA SOL LS.7: overview statement & descriptive matrix of resources; four relevant articles; one related interactive textbook; three lesson plans/NSTA Daily Dos; two relevant book chapters or additional lesson plans/NSTA Daily Dos; and one related community science project.
Life Science Middle School
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"This video follows Joyce Poole and other scientists working in Gorongosa National Park, Mozambique, who made the striking observation that many female elephants lack tusks. Most African elephants have tusks, but some — about 2% to 6% of females and even fewer males — never grow them. Elephant tusks are important for obtaining food and water, and essential to male elephants for competing for mates, so one might expect strong natural selection for having tusks. But the proportion of tuskless e