Which of the following terms is used to describe the movement of leaves and flowers toward the sun?

W) Thigmomorphogenesis [THIG-moh-mawr-fuh-JEN-uh-sis]

X) Heliotropism [hee-lee-O-truth-piz-uhm]

Y) Nastic movements

Z) Siesmonastic movements [sys-moh-NUH-stik]
X) HELIOTROPISM