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A baby lifts and turns the head before turning over. This shows development is:

Arandom
Bsequential
Creversible
Duniform
Answer & Solution
Correct answer: B. sequential
1. In motor development there is a predictable sequence before walking. 2. The infant lifts and turns the head before turning over, and moves limbs before grasping an object. 3. So development follows a sequence. _Source: Virginia Cooperative Extension Publication 350-053, Human Growth and Development: A Matter of Principles (Ruffin), "Principles of Development"_
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