2 Select the correct answer.
How does density affect water circulation?
OA.
OB.
Denser (more saline) water moves down and less dense (less saline) water moves up until it neutralizes.
Denser (more saline) water moves up and less dense (less saline) water moves down until it neutralizes.
Denser (more saline) water moves toward the sea and less dense (less saline) water moves away from the sea until it
neutralizes.
Ос.
OD.
Denser (more saline) water moves away from the sea and less dense (less saline) water moves toward the sea until it
neutralizes.
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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

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

What is the key to the recognition of codominance?