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This activity is about symbiotic relationships. After reading deep-sea diving log entries, learners will discuss the observations of the relationship between two kinds of organisms, hermit crabs and sea anemones. Learners will perform research to... (View More) answer a set of questions related to this relationship and consider the benefits derived to each organism. Learners will be able to define and describe symbiotic, mutualistic, commensal, and parasitic relationships between organisms. Links to log entries and background material are available. This is the second of three activities in the "Impact of Climate Change on Hawaiian Monk Seals" section of the Climate Change, Wildlife and Wildlands: A Toolkit for Formal and Informal Educators. (View Less)
This is a lesson about the shape of objects in space. Learners will observe the surface of rotating potatoes to help them understand how astronomers use variations in reflective brightness to determine the shape of asteroids.