Does anyone knows the word for complete this sentence 'Organisms need energy for chemical reactions to build larger molecules. They also need energy to move and to stay '

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

Plz ! ive been stuck on this forever

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment