Curated OER
Zebra Mussels
In this zebra mussels worksheet, 7th graders read an article about zebra mussel populations in United States' lakes and rivers. Students read about the negative effects and some positive results and then answer several questions about...
Curated OER
Invasive Mussels
In this ecology worksheet, students study a fact sheet on invasive mussels. They answer 8 short answer questions about it after reading the provided information.