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the food has not decreased but the reason they decreased is because their predator came into their habitat

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As the IQWST book said the sea lamprey are attaching themselves the boat going through the canals which are connecting the ocean and the Great Lakes.

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The sea lamprey are sucking all the nutrients out of the trout so they don't have enough energy to reproduce.

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According to our IQWST books, the sea lamprey have invaded the Great Lakes over time and are causing the lake trout population to decrease because the sea lamprey are killing the lake trout by sucking the lake trout's blood for too long.

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Our IQWST book has said that the sea lamprey are

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Do the Sea Lamprey predate the lake trout?

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Is the Sea Lamprey population increasing?

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Are the Sea Lamprey causing the lake trout population to decline

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How big is the sea lampreys population?

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What other fish are the sea lamprey attaching?

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How are the sea lamprey coming into the great lakes?

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Why are lamprey doing this?What do they eat?How did they get in the great lakes?How could we get them out?

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how are the sea lamprey attacking the lake trout?

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what are the sea lamprey doing to the lake trout?

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Yes, something is hurting the Lake Trout but not completely killing them because in our IQWST books it states that the lake trout that are showing up near a Lake Michigan Fisher still but they have large holes in the side of them.

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Yes, there is a new predator because our IQUEST book stated that the possible organism that is attacking is sea lamprey.

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Other organisms are attacking lake trout such as sea lamprey.

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What specific organism are creating these big holes in the sides of the lake trout?

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Are the lake trout turning against each other and attacking each other very severely?

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Is their another organism hurting the lake trout and causing them to have big wounds on the sides of their bodies.

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Is there an invasive species that is attacking that is severely wounding or killing the lake trout?

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If one population changes it messes up the whole food web.

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Is their food source providing them with enough energy to survive?

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Do they have enough energy to reproduce?

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Is something happening to their food source so now they're not getting enough energy to reproduce?

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Is there something happening to one of the producers in the food web which would cause the whole food web to decrease such as grass, or algae?

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is the food source moving somewhere else to avoid the lake trout?

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is the environment being taken over by humans?

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Is there something hurting, but not killing the lake trout so they are weak?

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Is something happening farther down the food web?

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are the trout going to other places to follow their food.

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what can humans do to protect these lake trout

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According to our IQWST books, lake trout eat some things such as shrimp, crayfish, sculpin, rainbow smelt, chub, and alewives.

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Here is one food web.

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Is the climate changing and affecting the amount of trout being born?

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is there a new predator?

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Is there a new or increasing population of an organism that is becoming a threat?

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Is there an invasive species coming into the environment and competing with the Lake Trout?

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is their a population or virus affecting the population?

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what do they need to reproduce

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Is there something happening to a food source of lake trout but also other organisms that are effecting more than one organism in the food chain?

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Is there something happening to a food source of lake trout but also other organisms that are effecting more than one organism in the food chain?

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Is something happening to their food source?

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Is something happening to the environment where green algae is no longer able to produce their own food.

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What do crayfish, sculpin, and yellow perch eat.

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Is there something that changed making the trout unable to catch their food.

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Is their a certain time that they eat and temperature of water that they eat in?

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Is there another organism that is eating the Lake Trout's eggs?

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What are all of the predators to Lake Trout?

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Is the lake no longer safe for lake trout to survive.

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Are their new types of organisms that have come in and changeed the environment.

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Is the tempertu

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Is the temperature of water affecting their reproduction system?

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Can their food source affect many different populations of animals?

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What are hunting fish?

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How many lake trout reproduce each year?

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How much food do Lake Trout need to eat in order to survive?

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Is their food source decreasing in population?

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Is their environment not in good conditions to reproduce?

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What do Lake Trout eat in order to survive?

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Are they getting eaten too much?

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How do they reproduce?

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Is their an increase in pollution that is affecting the trout in a negative way.

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Are they getting eaten faster than they are getting reproduced?

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What is a proper temperature water temperature for trout fish?

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Are humans over fishing them?

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Is the climate changing drastically which might be affecting the trout or their food source.