Why Were Zebra Mussels Introduced Into The Great Lakes? The zebra mussel is native to Eastern Europe and Western Russia. The species was unintentionally introduced into the United States’ Great Lakes through the discharge of contaminated cargo ship ballast water. Why are zebra mussels in the Great Lakes? Zebra mussels probably arrived in the Great
What Do Pondweed Need In Their Habitat? All pondweeds have their roots firmly underwater and are green, but their leaves are of different shapes, and sizes. These plants’ greatest adaptation is to living in water, which is their main life giver. These plants have many cells on their leaves (surface cells) can absorb water, nutrients
What Does Acid Rain Do To Lakes And Rivers? The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and