Throughout this review, assume that all variables represent positive real numbers. Find each root.23 y9
Life 103 Exam 3 Study Guide Light • Light and Plants -Light cues many key events in plant growth and development -Effects of light on plant morphology are called photomorphogenesis -Plants detect light direction, intensity, and wavelength -Action spectrum depicts relative response of a process to different wavelengths • Classes of Light Receptors -Blue-light photoreceptors ~Control hypocotyl elongation ~Control stomatal opening ~Control phototropism -Phytochromes ~Pigments that regulate many of a plant’s response to light throughout its life ~Seed germination ~Shade avoidance Animal Di