1 Germination is a process when the seed develops into a seedling. 2  The seeds that germinate have an embryo inside it that grows into a new plant. 3  The process of germination starts with the seed absorbing water. 4  The absorption of water activates an enzyme that increases respiration.ore About Seed Germination. 1  Germination is a process when the seed develops into a seedling. 2  The seeds that germinate have an embryo inside it that grows into a new plant. 3  The process of germination starts with the seed absorbing water.