Chapter 39: Plant Communication. Plants and their Environments Plants are living and respond to envir. They detect light and gravity especially. Plants.
Fall Semester Review AP/IB Biology. The Discovery of Plant Hormones Any growth response – That results in curvatures of whole plant organs toward or away.
Ch. 39 Plant Responses to Internal and External Signals Objectives: LO 2.29 The student can create representations and models to describe immune responses.
Plants. Basic Structures Apical meristems enable the plant to grow in length. -located in tips of roots and in the buds.
Chapter 39: Plant Communication
Control Systems in Plants. Etioloation and De- etiolation.
Plants
PLANT RESPONSE. Tropisms Plant growth toward or away from a stimulus Gravitropism gravity is “+” in roots and “-” in shoots – Plastids containing starch.
Gas exchange Photosynthesis Phloem – sugar transport Gas exchange – cellular respiration Water & mineral absorption Xylem – water & mineral transport Transpiration.
