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form a hypothesis sharks don't have swim bladders and must move constantly or they sink. hypothesize about the amount of food that a shark must eat compared to the amount eaten by a bony fish of the same
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Feb 15, 2018
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form a hypothesis sharks don't have swim bladders and must move constantly or they sink. hypothesize about the amount of food that a shark must eat compared to the amount eaten by a bony fish of the same size
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Panini
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sharks have to move often and not slowly and have to eat more than a bony fish
Rich Schuler
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Feb 22, 2018
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