Arrange the human developmental stages in biological order. a) Neonate (newborn) b) Child c) Infant d) Embryo
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Ad, a, c, b
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Ba, d, c, b
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Cd, c, a, b
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Dc, d, a, b
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Ed, a, b, c
Answer
Correct Answer: d, a, c, b
Explanation
Introduction / Context:The question orders early human life stages. In biology, development proceeds from prenatal to postnatal phases with well-defined terms.
Given Data / Assumptions:
- Embryo: prenatal stage before birth.
- Neonate: newborn, roughly the first month after birth.
- Infant: post-neonatal infancy through the first year(s).
- Child: later childhood after infancy.
Concept / Approach:Strict chronological order: Embryo -> Neonate -> Infant -> Child.
Step-by-Step Solution:Step 1: Embryo (d) exists before birth.Step 2: Neonate (a) is immediately after birth.Step 3: Infant (c) follows the neonatal period.Step 4: Child (b) follows infancy.
Verification / Alternative check:Pediatric terminology across standard texts supports this order.
Why Other Options Are Wrong:Any order that places embryo after birth, or child before infant, contradicts biological chronology.
Common Pitfalls:Confusing neonate and infant; neonate is a specific sub-stage of infancy focused on the first month post-birth.
Final Answer:d, a, c, b