You searched for: “geoperception
geoperception (s) (noun), geoperceptions (pl)
The capacity of an organism to perceive and respond to gravity: Plant roots normally grow downwards into the soil (positive gravitropism) , while the shoots grow upward away from gravity (negative gravitropism). This phenomenon of geoperception of plants to respond to gravity is due to amyloplasts in the plants.
This entry is located in the following unit: geo-, ge- + (page 16)