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sea lamprey have about 10,000 to 30,000 baby's because when we dissected the sea lamprey their were lots and lots of eggs 

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sea lamprey have about 10,000 to 30,000 baby's because when we dissected the sea lamprey their were lots and lots of eggs 

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sea lamprey eat small fish and lake trout and other small species in the great lakes

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sea lamprey eat small fish and lake trout and other small species in the great lakes

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Sea lamprey are an invasive species

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what if a family is finding food for the baby and then the male dies how will the female take care of the baby's and also hunt before the hatch

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The sea lamprey were in the Atlantic ocean but then sucked onto the canals and then went to the great lakes

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sea lamprey have no predators in the great lakes because it is an invasive species

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how long does it take for the sea lamprey to produce new sea lamprey.

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sea lamprey are causing the trout to decrease because they are putting holes in trout

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The parasite needs food so it goes inside of trout to feed of them  but it doesn't kill the host

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The parasite needs food so it goes inside of trout to feed of them  but it doesn't kill the host

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if their was another organisms, could that affect or change how the trout in some way.

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if their was another organisms, could that affect or change how the trout in some way.

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is there a invasive species in the great lakes

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was there an increase in predarors

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The trout could have a parasite inside of them and it feeds of its host and once its done it moves into another lake trout

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The trout could have a parasite inside of them and it feeds of its host and once its done it moves into another lake trout

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what if the food is affected  with toxic

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what if the food is affected  with toxic

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parasite is  in some different organisims

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parasite is  in some different organisims

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did the fisherman catch to many fish to make the population decrease

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did the fisherman catch to many fish to make the population decrease

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what if their is a virus that is not letting the trout reproduce

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what if their is a virus that is not letting the trout reproduce

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what would happen if there is more women

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What would happen if seaweed kept coming in the beach so what would happen to the population in the animals

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What would happen if seaweed kept coming in the beach so what would happen to the population in the animals

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is their anything happening to the water or is their environment changing 

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is their anything happening to the water or is their environment changing 

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are other organisms eating the trouts food.

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is their anything happening to the other organisms 

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is their anything happening to the other organisms 

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For hydroponics it can be grown anywhere in any time because you don't need soil and you just need water and light but what is it's a dry land and how much water do you need

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For hydroponics it can be grown anywhere in any time because you don't need soil and you just need water and light but what is it's a dry land and how much water do you need

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can a fish make it's own food.

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Could the trouts food source have contained many diseases that made them disappear.

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is there some sort of parasite affecting a population.

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Can animals fail to reproduce.

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did their decrease in population have to do with their decrease in population

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did their decrease in population have to do with their decrease in population

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Can food make a population decrease?

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what if they couldn't reproduce other animals

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what if they couldn't reproduce other animals

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what if other organisms eat the trouts food and they have no food to survive

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what if other organisms eat the trouts food and they have no food to survive

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what if an other organism ate the reproduction in 1970 would trout already be extinct 

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what if an other organism ate the reproduction in 1970 would trout already be extinct 

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How many species can an environment contain?

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how many of the reproduction were born  to increase the trout

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how many of the reproduction were born  to increase the trout

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what happens if a male can't protect the family because he is taking care of the baby and the wife died 

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what happens if a male can't protect the family because he is taking care of the baby and the wife died 

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It increased because they made more of their species.

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what if their environment if full with deadly plants how will they live

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what if their environment if full with deadly plants how will they live

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what happens if their is to many of their species living with them together and they don't have enough food

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what happens if their is to many of their species living with them together and they don't have enough food

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What other organisms eat the trouts food source.

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How can other organisms help an environment.

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What happened to the other organisms when their were very little trout fish left??

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why do animals environment decrease as time goes by and until their is no more environment for the animals live

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why do animals environment decrease as time goes by and until their is no more environment for the animals live

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how can another species change an entire population?

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how did the population decrease so much but then went back up

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how did the population decrease so much but then went back up

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How did their reproduction help the population increase??

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How did their reproduction help the population increase??

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It can decrease if their food is gone

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they can die by eating a plant that has bad toxins.

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How can the organism die in their own environment?

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It can decrease by their food not being there.

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How can a population decrease in such short amount of time with all the food that they have??