The period of the ___________________ is characterized primarily by growth and refinement of the bodily systems.

Question

BlackTom AI · Accepted Answer

In addressing the question, we need to match the description of a developmental stage with its defining focus.
Option: fetus — This choice is correct because the fetal period is characterized primarily by rapid growth and refinement of bodily systems that have already begun forming, leading toward functional maturity before birth.
Option: zygote — The zygote refers to the initial cell formed when sperm and egg fuse; its main developmental emphasis is early cell division and genetic combination, not growth and refinement of bodily systems.
Option: gamete — A gamete is a reproductive cell (sperm or egg) whose role is to contribute genetic material for reproduction; it does not describe a stage of bodily system development.
Option: embryo — The embryonic period involves organ formation and development (organogenesis); while crucial, it centers on the early establishment of organs rather than the later-stage growth and refinement characteristic of the fetal period.

The period of the ___________________ is characterized primarily by growth and refinement of the bodily systems.

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