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.
New guidelines for car-seat use published today by the American Academy of Pediatrics should make that easier â but, from a kidâs perspective, much more onerous. The detailed document says, in short, that all children should sit in the back seat until theyâre 13 years old. Babies and toddlers should remain in rear-facing car seats until theyâre two years old (or until theyâve outgrown the height and weight specified by the manufacturer of their particular rear-facing seat).