Curated OER
Something Fishy - Bioaccumulation of Mercury
Students explore the dangers of eating high levels of mercury and how small amounts of mercury in water accumulate in greater quantities in organisms higher in the food chain. They list the health of effects of high levels of mercury on...
Bridge
Mercury - Mercury is Rising
Hold a discussion in your class about the increase in mercury being found in fish that are caught commercially as food for humans. Given a worksheet, learners then calculate how much fish a person can safely eat each month to remain...
NOAA
Seafood and Human Health
Whether your young biologists realize it or not, humans play a significant role in marine ecosystems. To help them understand this fact children first create graphical representations that show homo sapiens' place in marine food chains,...