I need help. Btw the question is “Select three populations shown in the prairie ecosystem.”

i think the answer is 6 prairie dogs, 3 coyotes ,the grass

Hope this helps

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why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).