Cindy is doing a presentation on prenatal development and wants to include the three main periods of prenatal development in order from conception to birth. In which order should Cindy list the periods?

Question

BlackTom AI · Accepted Answer

To start, we identify the three main periods of prenatal development and their correct chronological order: germinal, embryonic, then fetal.
Option 1: germinal, embryonic, and fetal. This sequence matches the established progression from conception through implantation (germinal), organ formation (embryonic), to growth and maturation before birth (fetal). It aligns with standard developmental timelines.
Option 2: germinal, fetal, and embryonic. Placing the fetal period before the embryonic period contradicts the actual timeline, since major development and organ formation occur during the embryonic period, not after the fetal period has begun.
Option 3: fetal, embryonic, and germinal. This reverses the true order entirely, starting with the last stage and moving backward, which misrepresents the developmental stages.
Option 4: embryonic, germinal, and fetal. Here the germinal period is placed after the embryonic period, but implantation and the initial zygote-to- embryo transition occur before embryonic development, so this order is incorrect.
In summary, option 1 faithfully mirrors the accepted sequence germinal → embryonic → fetal, while options 2, 3, and 4 disrupt the established chronology of prenatal development.

Cindy is doing a presentation on prenatal development and wants to include the three main periods of prenatal development in order from conception to birth. In which order should Cindy list the periods?单项选择题

类似问题

Sidney is expecting her first child. She has recently begun to feel the fetus kicking. Sidney's current stage of pregnancy would fall under which period of prenatal development?

A study by Reissland and colleagues (2011) used 4D ultrasound to examine whether facial expressions develop before birth. What did they find?

Harry was a preterm newborn who was born after 26 weeks of prenatal development. He is now a healthy, happy 2-year-old. Harry's ability to survive after being born so early was due in part to his reaching the _____.

The longest period of prenatal development is the _____ period.

While in utero, a fetus can:

Which of the following best demonstrates continuity during prenatal development?

Which sequence lists the periods of prenatal development in the CORRECT developmental progression from earliest to latest?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单