Amale stickleback fish will attack other male sticklebacks that invade its nesting territory, it only attacks males with the red belly. why has natural selection favored this

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

During convection, less dense fluid rises and denser fluid sinks.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.