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The other claim would not work, as if the algae were to change. If we look at our claim, the certian food chain has to process it. And considering the algae is decreasing. Making them less likely being able to produce for the moon jellies.

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The walleye Pollock population changed, and caused the moon jellies to increase. The walleye Pollock continues to eat zooplankton, as their competitor ( moon jellies) also try to eat zooplankton. if we look at the model of the zooplankton we can see its increasing now. That means there will be more food resources for the moon jellies and the walleye Pollock. The walleye Pollock population shows a decrease, that means the moon jellies will have more food resources, and will be able to produce enough energy to have birth, and reproduce. Concluding that the walleye Pollock decreasing, will help the moon jellies increase. The moon jellies population will increasing dramatically by the births if they keep producing that energy from the zooplankton.

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The size of the moon jelly population in Glacier Sea has increased dramatically, we need  to find out what possibly happened  to make the moon jelly population increase. We're going to look at evidence and , reasoning! You'll learn a lot. "Why do populations change size in an ecosystem?" Populations changed based on births and deaths. Lets consider a lion and their prey. The lions are usually faster, stronger,and have high energy levels so they kill their prey before their prey kills them. If the lion population continues going for the same type of prey. The preys population will start decreasing dramatically, and having that much food resource will give enough energy for the lions to reproduce and birth new cubs, to also kill the pray and continue the system.

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I believe the size of the walleye population changed, and cause the moon jellies to increase.

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The walleye population, they compete with the moon jellies for the zooplankton. With that walleye's are much smaller than moon jellies . The moon jellies capture more, with their high amount of energy, more energy more births, the walleyes don't get as much because the moon jellies eats most of them and gets to them first, or their high energy.

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The walleye Pollock predator isn't actually an animal.Its us, humans we hunt them more than we should , making them decrease!

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The zooplankton , increased when the zooplankton increased its giving more food options for the moon jellies. Enough for the walleye pollock, but the increase of the zooplankton causes the moon jellies to produce more and eat more. Before the walleye get enough to reproduce.

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The model shows how the walleye Pollock decreasing changes the population . Because of the increase of the zooplankton that gives energy for the walleye Pollock and moon jellies. Because the moon jellies are so much bigger than the walleye pollock they usually get more of the zooplankton. Causing the moon jellies to reproduce and have more energy for more food like the zooplankton. Because of the energy and all the food getting eaten from the moon jellies. There's no food left for the walleye causing them to die and run out of energy.