In Terms of Physical Development, the Basic Sequence of Motor

Multiple Choice

In terms of physical development, the basic sequence of motor development is universal:

A) but each infant has his or her own timetable of physical maturation and developmental readiness to master different skills.
B) and is reflected in the fact that during infancy the child's brain grows to only about 20 percent of its adult weight, but the child's body weight will reach 75 percent of its adult weight.
C) but because of maturational difference, some children can walk before they learn to crawl, and some can crawl months before they learn to roll over.
D) and there is little or no variability in the age at which children master each skill.