An amphibian heart is shown in the diagram.
Which statement best describes the three chambers of the
heart?
Y receives oxygen-rich blood, X receives carbon dioxide
rich blood, and Z pumps blood.
Z receives oxygen-rich blood, X receives carbon dioxide
rich blood, and Y pumps blood,
X receives oxygen-rich blood, Y receives carbon dioxide
rich blood, and Z pumps blood.
Y receives oxygen-rich blood, Z receives carbon dioxide
rich blood, and X pumps blood.
Y
Z

Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast

9. what area of study applies scientific findings to create ways for solving problems or improving life? a biogeology b mathematics c manufacturing d engineering