外研版（2019）选择性必修 第一册Unit 5 Revealing nature Starting out 课件(共12张PPT)
文档属性
| 名称 | 外研版（2019）选择性必修 第一册Unit 5 Revealing nature Starting out 课件(共12张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 63.2MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-11-30 19:27:15 | ||
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文档简介
(共12张PPT)
Revealing nature
Startng out
What do you know about these unusual animals ？
Lead in
Komodo dragon
Komodo dragons were first encountered by Western researchers 1910. The researcher said the ancestor of the Komodo dragon most likely evolved in Australia and spread westward, reaching the Indonesia island of Flores 900,000 years ago.
What do you know about these unusual animals ？
Duck-billed platypus
The fist scientists to examine a preserved platypus body judged it a fake in the late 18th century.
The oldest discovered fossil of the modern platpus dates back to about 100,000 years ago.
Nautilus
Fossil records indicate that the nautilus has survived relatively unchanged for around 500 million years. It is often considered a “living fossil”.
Watch the video and answer the questions.
Viewing
1.How can seeds travel
2.How can this benefit plants
1.How can seeds travel
Seeds usually are carried by the wind, water, and animals.
Plants can have a better chance at life.
2.How can this benefit plants
Dandelion seeds have little parachutes to catch the wind and go further;
Humans can spread seeds if seeds get stuck to their clothing or shoes.
Can you think of another example of seeds travelling Share it with the class.
thank you
Revealing nature
Startng out
What do you know about these unusual animals ？
Lead in
Komodo dragon
Komodo dragons were first encountered by Western researchers 1910. The researcher said the ancestor of the Komodo dragon most likely evolved in Australia and spread westward, reaching the Indonesia island of Flores 900,000 years ago.
What do you know about these unusual animals ？
Duck-billed platypus
The fist scientists to examine a preserved platypus body judged it a fake in the late 18th century.
The oldest discovered fossil of the modern platpus dates back to about 100,000 years ago.
Nautilus
Fossil records indicate that the nautilus has survived relatively unchanged for around 500 million years. It is often considered a “living fossil”.
Watch the video and answer the questions.
Viewing
1.How can seeds travel
2.How can this benefit plants
1.How can seeds travel
Seeds usually are carried by the wind, water, and animals.
Plants can have a better chance at life.
2.How can this benefit plants
Dandelion seeds have little parachutes to catch the wind and go further;
Humans can spread seeds if seeds get stuck to their clothing or shoes.
Can you think of another example of seeds travelling Share it with the class.
thank you