Bauplan is the assembly of the body structure which is common in the organisms belonging to the same phylum. The Same bauplan determines that a body part of the organisms are same and they will be in the same phylum in the Evolution also. Bauplan includes symmetry, segmentation, and limb disposition.
Activation energy is required to start a chemical reaction. Activation energy is the energy needed to allow the reactant to react. Activation energy is measured in Joules (J).
