#Question id: 10193
#Unit 6. System Physiology – Plant
Leaf orientation is controlled by a specialized organ that contains motor cells that change their osmotic potential and generate mechanical forces that determine laminar orientation, that specialized organ is known as
#Question id: 23479
#General Aptitude
#Question id: 23908
#General Aptitude
#Question id: 3276
#Unit 11. Evolution and Behavior
Which of these conditions are always true of populations evolving due to natural selection?
Condition 1: The population must vary in traits that are heritable.
Condition 2: Some heritable traits must increase reproductive success.
Condition 3: Individuals pass on most traits that they acquire during their lifetime.
#Question id: 10809
#Unit 6. System Physiology – Plant
Sieve element sap is rich in sugars and other organic molecules, These molecules represent an energy investment for the plant. How their loss be prevented when sieve elements are damaged?