What causes plants to curve and grow upward if turned on their side?

According to the cladogram, which organisms have roundworms as a common ancestor?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line