Ecological succession. Ecological succession, the process by which the structure of a biological community evolves over time. Two different types of successionâprimary and secondaryâhave been distinguished. Primary succession occurs in essentially lifeless areasâregions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier.
According to Georgia law: 1  ALL children under the age of 8 whose height is less than 57 inches must ride in the backseat of a car.  Children under the age of 8 are required to be in either a car seat or a booster seat suitable for their age and height.
Laws change form place to place but the average age is 12-13 years.   It is not so much a factor of the weight of the child. Diamaler  Chrysler like any other car company â¦ , states that the children under  12 years old need to stay in the back seat with a seat belt and or  proper child restraints.