The survival of animals
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This science lesson discusses how different animal species ensure their survival. It covers three main ways: 1) giving birth and caring for young, such as cats, dogs, and kangaroos; 2) laying fewer eggs and caring for offspring, like chickens and birds; and 3) laying many eggs without care, as seen in fish, flies, and turtles. Specific examples are provided to illustrate animals hiding eggs like ladybugs, burying eggs like sea turtles, or protecting eggs with a slimy coating like frogs. The document aims to teach students about animal survival strategies through offspring care or lack thereof.
The survival of animals
- 1. Year Five Science 五年级科学 单元：2 物种的生 Topic : 2 Survival of the species 存 技能：2.1 动物的 Unit : 2.1 Animal survival 物 教材：2.1.1 动物保 Lesson : 2.1.1 The Survival Of Animals 种生存 持 物种生 存的方法 引起动机 Set Induction Prepare By:
- 2. 引起动机 Set Induction 动物保存物种生存的方法 The Survival Of Animals ? 请观赏 Please Watch
- 3. 动物保存物种生存的方法 The Survival Of Animals ?1. 胎生 – 会照顾幼儿 1.1 胎生 - 以育儿袋保护幼儿 Give birth – take care the ?Give birth – carry their young young in their pouch 2. 卵生 - 产卵少，懂得照顾 ?3. 卵生 - 产卵多，不会照顾 幼儿 幼儿 Lays eggs - less, take Lays egg - more, do not care of their young ? take care of their young 3.1 产卵 - 产 3.2 产卵 - 产 3.3 卵生 卵多， 把乱藏 卵多，把卵埋在泥土 - 产卵多，有 ? 起来 里 - 层保护液 ? 其 Lays more Lays more eggs - 他 eggs - hide Lays more covers its eggs in Othe their eggs ? eggs - r the sand? slimy eggs
- 4. 1. 胎生 – 会照顾幼儿 Give birth – take care the young 会 照 顾 人猿 大象 幼 Orang Utan Elephant 儿 致 长 猫 大 猪 Cat Pig
- 5. 1.1 胎生 - 以育儿袋保护幼儿 Give birth – carry their young in their pouch 袋鼠 kangaroo 树袋熊 koala bear 动物以育儿袋 照顾幼儿至油 二能自己觅食 Animals keep their babies 北美负鼠 in the pouch Opossum until they can take care of them self.
- 6. 2. 卵生 - 产卵少，懂得照顾幼儿 Lays eggs - less, take care of their young 鸭嘴兽 Duckbills 鸡 chicken 鸟 birds 企鹅 penguin
- 7. 3. 卵生 - 产卵多，不会照顾幼儿 Lays egg - more, do not take care of their young
- 8. 3.1 产卵 - 产卵少， 把乱藏起来 Lays more eggs - hide their eggs 壁虎把卵产在隐蔽的 甲虫把卵藏在叶子下 地方如屋里的小缝 Ladybird lays their Lizard lays eggs in the eggs under the leave hiding place in our house
- 9. 3.2 产卵 - 产卵多，把卵埋在泥土里 Lays more eggs - covers its eggs in the sand 海龟把卵产在泥土下并把 卵埋起来 Turtle lays their eggs under the ground and cover it with sand
- 10. 3.3 卵生 - 产卵多，有 - 层保护液 Lays more eggs - covering with a layer of slimy thing 青蛙的卵有粘液 Frog lays slimy egg 卵被一层粘液包围着以保护它 鲨鱼有薄膜 The eggs is covering by a layer of shark has slimy thing slimy eggs
- 11. 其他 Other 鱼儿把卵含在口里 Keep their eggs in their mouth 把幼儿含在口里 Keep their young in their mouth 照顾及守卫着它 的卵直到卵孵化 Snake take cares of their eggs
- 12. 保持物种生存的方法 动物 The way animal make sure of their Animals survival 1. 胎生 – 会照顾幼儿 猫 cat , 狗 dog ，羊 goat Give birth – take care the young 袋鼠 kangaroo 1.1 胎生 - 以育儿袋保护幼儿 Give birth – carry young in the pouch 鸡 chicken ， 鸭 duck , 鸟 bird 2. 卵生 - 产卵少，懂得照顾幼儿 Lays eggs - less, take care of their young 3. 卵生 - 产卵多，不会照顾幼儿 鱼fish , 苍蝇 fly , 蝴蝶 butterfly Lays egg - more, do not take care of their young 甲虫 ladybird , 壁虎 lizard 3.1 产卵 - 产卵多 把卵藏起来 Lays more eggs - hide their eggs 海龟 turtle 3.2 产卵 - 产卵多，把卵埋在泥土里 青蛙 frog Lays more eggs - cover its eggs with sand 3.3 卵生 - 产卵多，有 一层保护液 Lays more eggs - with slimy thing
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- 14. 谢谢大家 Thank you
- 15. Bibiografi 1. http://upsr.fieldcon.org/e_pretest1.php?id=50 2. http://www.infovisual.info/02/078_en.html 3. http://www.sciencephoto.com/media/384511/enlarge 4. http://zh.wikipedia.org/wiki/%E5%8C%97%E7%BE% 8E%E8%B2%A0%E9%BC%A0 5. http://www.youtube.com/watch?v=TJQ1T9sMaWQ