Second+Unit+of+Inquiry-Life+Cycle

= Please click on the discussion to answer our questions for this unit. =

= **Life cycle 生命周期** = = **Central Idea 中心思想：** = =Living things grow and develop in stages, changing in form and function from one stage to the next.= = 生命分阶段生长和发展，并且在每一阶段阶段发生形态和功能的变化. =

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