Which of the following is under voluntary control? here o external urethral sphincter ca he o renal pelvis o ureters internal urethral sphincter urinary bladder
Explanation: Unlike the IUS, the EUS is composed of skeletal muscle; therefore, it is voluntarily controlled through the somatic nervous system
Answer from: Quest
genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Answer from: Quest
Control variable- changedependant variable- stays the samechanging- food itemsdependant- presences of proteins
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