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.

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.

Name the organism that belongs to the kingdom protista.