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What is a Life Cycle?

什么是生命周期? · P3 Science · Cycles
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Words to Know · 要记的词
重点词汇 · 点击单词听发音
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Read Out Loud · 大声朗读
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🟢 What is a life cycle? · 什么是生命周期?
Different living things go through different life cycles. A life cycle is a repeated pattern of change. Living things change as they grow over time and reproduce. Life cycles ensure that living things of the same kind can continue to live on Earth.
不同的生物经历不同的生命周期。生命周期是一种重复的变化规律。生物在成长繁殖的过程中不断变化。生命周期确保同类生物能够在地球上继续生存。
💡 Key word: repeated — it happens again and again, not just once. 关键词:重复的——不是只发生一次,而是一遍又一遍。
🌿 Life cycles in nature · 自然界的生命周期
Dad planted a young rambutan plant on Tree Planting Day. Many years later, the rambutan plant grew much bigger and taller. It went through its life cycle — changing from a small plant into a large adult tree.
爸爸在植树节种下了一株小小的红毛丹幼苗。多年后,那株红毛丹长得又高又大。它经历了自己的生命周期——从一株小苗长成了一棵大树。
⭐ Key Fact · 关键知识点
A life cycle is a repeated pattern of change as a living thing grows over time and reproduces.
生命周期是生物随着时间成长和繁殖的重复变化规律
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Likely Test Questions · 考试常考
重点考点 · 这些是考试最常考的问题,认真复习!
⭐ These are the most likely questions to appear on tests. Study these carefully! 这些是考试最可能出现的问题,要认真复习!
🌟 The Big Idea · 一句话总结
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