Vocabulary Words
Name the vocab word that means : to kill or destroy in large numbers.
Decimated
How did the sea lampreys get from the Atlantic Ocean to the Great Lakes. (Hint this was a man made.)
The Erie Canal
"Once in the Great Lakes, sea lampreys triggered an ____________________ disaster.
Ecological
Name the two (2) countries that border the 5 Great Lakes.
United States and Canada
Lampreys still live in the Great lakes but the number of them are way down. Why is that? What have scientist done to control the amount of the sea lampreys?
The scientists continue to use the chemicals in the Great Lakes to control the lampreys. Thee number of lampreys are down by 90%---that's alot!!!
Identify the vocab word that means change over time for a new purpose.
Adapted
Name the two (2) ways that the Erie Canal was a pro (good thing).
1. Cut the travel time for ships, boats to travel from New York Harbor on the Atlantic Ocean to the Great Lakes in 10 days---rather than weeks.
2. People and goods could move quicker and cheaper.
Describe to me the mouth/ teeth/tongue of a sea lamprey. How do the use these things???
Their mouth is circular in shape with 100-150 sharp teeth that grabs/latches onto the fish. The tongue is sharp and drills into the fish's flesh and sucks out the blood and other bodily fluids.
What did scientist finally do to slow down the sea lamprey invasion of the Great Lakes?
Scientists used a chemical that was put into the water of the Great Lakes that killed the baby sea lampreys but did not harm the other fish.
Do lampreys attack humans willingly? Why or why not?
No, lampreys do not attack humans willingly. Humans are warm-bloodied. Lampreys like cold blood. The lampreys once they taste human blood they will release itself from the human. They only like the taste of fish blood and their fluids.
Name the vocab word that means when animals hunt other animals for food.
Predators
Scientists believe that the main cause of sea lampreys getting to the Great Lakes was caused by_____?
Humans
Why are the lampreys are major problem in the Great Lakes , but not as much in the Atlantic Ocean???
The lampreys are a huge problem in the Great Lakes because they have no natural predators. In the ocean the larger fish (Swordfish etc.) can survive the lampreys blood sucking.
Name some of the other ways that scientists tried to control the sea lamprey problem.
Scientist tries using electricity, trapping them, and even cooking them. These solutions were not successful.
Name the new way that scientists are testing to get rid of the baby sea lampreys.
Scientists are using a special smell to lure the sea lampreys into traps. The scientists then dispose of the lampreys.
What vocab word means when plants or animals spread into new areas and harm the living things that are already there.
Invasive Species
Name all five Great Lakes.
HOMES
Lake Huron, Ontario, Michigan, Erie. Superior.
How did the lamprey cause people to lose their jobs in the fishing industry?
The Lampreys have decimated/destroyed and killed the lake fish or infected them so much that the fish can not be sold for human consumption (eating).
Why did people not want to eat the lampreys? What was the problem with them?
When cooked the lampreys smelled like fish, mud, and melted plastic.
By scientists finding ways to control the lamprey population fishermen and women will continue to make what?
Money or earn a living to keep their families alive.
What vocab term means having to do with the relationship of living things to each other and to the world around them?
Ecological
The Erie Canal was created by ____?
Humans
In the story, "Vampire of the Deep" how did Beatrice help her mom out with the sea lampreys. What did Beatrice do?
If a fish came onto the boat with a lamprey attached to it, Beatrice's job was to behead the lamprey. This was done so that the lampreys wouldn't effect other fish.
What do you think/infer would have happened if a solution to the lampreys wouldn't have been found?
Lampreys would eventually kill all of the lake fish or infect them causing a great hardship with the fishing industry.
Name one (1) of the species on page 20-21 (the map) that is harmful.
Wicked weed, sneaky bug, vicious mongooses, destructive wild pigs, giant snakes, hungry fish, and pesky birds.