2.7 explain the concepts of tissue and organ using as an example the dicotyledonous root
Tissues are groups of similar cells that carry out the same function
Organs are structures composed of different tissues that
carry out one or several major functions for the body
Organ system - Comprised of several organs that work together to bring about one major function of the body
Tissue - xylem, phloem, parenchyma (cortex)
Organ - leaf, stem, root
Diagram of T.S of root
source