Problems
What's killing the lake trout?
Sea lamprey
What did killing the sea lamprey do?
broght back lake trout
Is the lake still beautiful?
Yes
Lake Superior is...
the largest, coldest, and deepest
The Great Lakes are home to how many islands
about 35,000
Can fish get cancer?
YES
What fish are eating the zebra mussels?
Silver chubs.
How many different speices of fish do the Great Lakes contain
250 different speices of fish
Lake Erie is...
the warmest and shallowest of the five Great Lakes
Which of the Great Lakes was the first to be discovered by Europian settlers
Lake Huron
How many fish are dying in the Sea Lamprey?
TRICK QUESTION:too meny to count.
How much did the lamprey numbers drop by
almost 90%
What animal is returing
Certien birds like the bald eagle
Lake Ontario is...
the smallest of the five Great Lakes.
What percent of the U.S. water supply do the Great Lakes make up
about 95%
What's the main concern with Zebra Mussels?
There taking all of the food from the native fish.
Which invasive speices in decreasing in population
Purple Losestrife
Which lake has the longest shoreline out of the Great Lakes
Lake Huron
Lake Huron has...
the longest shoreline of the five Great Lakes
The amount of lake trout dropped by about how much?
About 90%
Out of the 180 non-native how many are invasive?
34%
What year did the amount of PBC's drop?
1972
What is the total area of the Great Lakes
more than 94,000 square miles
Lake Supirior is...
The cleanest Great Lake
How many band of Native people have occupied the Great Lakes over the course of history
About 120