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Explain how pioneer species arrive in an area undergoing primary succession.
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Pixels are often referred to using dpi, or dots per inch. true\false
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Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
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Name one similarity and one difference between the morphology of a brachiopod and a bivalve
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What is the next step in muscle contraction after the actin changes shape? (apex)
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Explain how pioneer species arrive in an area undergoing primary succession....
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