Examlex
What do we call interactions among nongovernmental groups in several societies?
Photoperiodism
The physiological response (such as flowering) of plants to variations in the length of daylight and darkness.
Phytochrome
A light-detecting pigment found in plants that regulates various developmental processes by responding to red and far-red light.
Necrotic Lesions
Areas of dead tissue on an organism that result from disease, injury, or lack of blood supply.
Casparian Strips
Regions of cell walls in plant roots that form a barrier to passive water and solute movement, helping to regulate water and nutrient uptake.
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