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Explore how the Sun, Earth's interior heat and chemical reactions drive energy and matter through the geosphere, hydrosphere, atmosphere and biosphere.
Study homologous and analogous organs using flash cards, models and specimens of animal forelimbs and plant parts. Includes requirements, procedure and observations.
Observe mutualism in legume root nodules, lichen symbiosis, and parasitism by Cuscuta on host plants using models and specimens.
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