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the become less able to do everyday things

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2 cups fruit per day
3 cups vegetables per day
8 ounces of grains per day
6 1/2 ounces of protein per day
3 cups dairy per day

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I agree with this chart because it has scientific backup

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a weight-to-height ratio, calculated by dividing one's weight in kilograms by the square of one's height in meters and used as an indicator of obesity and underweight

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Because if we eat to little we starve and if we eat to much we become obease

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Food is important because it gives us the energy to live each day

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.Arctic
.This ecosystem is extremely cold,it has over a 1000 types of plants,it is made of glaciers
.energy-energy available for each pyramid
biomass-total mass of organic living matter
number-number of individual organisms

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A food chain is a series of organisms each dependent on each other for food.
An energy pyramid is a graphical model of energy flow in a community.

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Dependent factors- availability of food, predation, disease, and migration,natural disasters

Independent factors-weather and climate

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interaction between two different organisms living in close physical association to the advantage of both

3 symbiotic relationships are mutualism, commensalism, parasitism

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The components of an ecosystem include biotic and abiotic factors

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A core sample that is removed from an ice sheet

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It shows the total number of fossils that have been discovered

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I am not happy with the grade I made because it was a low grade.I did not feel confident with the test because it had very difficult and specific questions,and I tried my best on the test.

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The 1st  thing is that 4.6 billion years ago water came on Earth.The 2nd thing is the dinosaur age.The 3rd thing is that the continents split.The 4th thing is that dinosaurs became extinct.the 5th thing is that humans became the most dominant species on Earth.