Origins
These entered the Great Lakes via rivers and streams
What are fish?
Three things are required to form a dune: sand, a clear area, and this
What is wind?
Lake effect snow can happen when the water of the Great Lakes is 23 or more degrees warmer than this
What is the air?
Animals or plants that are introduced by humans and harm the environment are called this
What are invasive species?
Zinc can be found in this personal care product that's often used at the beach
What is sunscreen?
The Laurentide was the last one of these to cover the Great Lakes area
What is an ice sheet?
Two categories make up an ecosystem: biotic and this
What is abiotic?
Dramatic examples of lake effect snow have happened in this Erie-adjacent city, also known for a spicy snack
What is Buffalo?
Animals that move from one region to another seasonally are said to do this
What is migrate?
Researchers have estimated that every week on average, humans consume a volume of plastic equal to this object
What is a credit card?
When glaciers melt, they often leave behind this type of large rock
What is an erratic boulder?
This is the first plant to appear on the dunes closest to the water
What is marram grass?
People in Chicago use this term to describe why being near the lake is more comfortable on a hot day
What is "cooler by the lake"?
This playful mammal has been spotted in the Detroit River, near the Great Lakes
What is a (river) otter?
This term could refer to mercury, cadmium, arsenic, lead, nickel, zinc -- or a type of music
What is (a) heavy metal?
Over time, limestone in the midwest turned into dolostone in part because of the salt from these
What are (ancient) seas?
A scientific term for the process of plant communities giving rise to other plant communities
What is (ecological) succession?
In 2013, this weather pattern caused a meteotsunami
What is a derecho?
This violent creature has escaped into the natural environments surrounding the Great Lakes
What is a feral hog (wild pig)?
This word names what occurs when cities expand to cover a greater area of land
What is urbanization?
These geologic events created the basins of what would become Lake Superior and Lake Ontario
What are rifts?
The side of a dune opposite to the slip side is called this
What is windward?
Meteotsunamis are sometimes confused with this other phenomenon, also seen on the Great Lakes
What is a seiche?
Though it is graceful and elegant to look at, this large and aggressive bird can disrupt Great Lakes ecosystems
What is a mute swan?
Industrial waste is one source of water pollution; this farm-related phenomenon is another
What is agricultural runoff?