"Yellow River Elephant" PPT courseware 6

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"Yellow River Elephant" PPT courseware 6

Review the characteristics of the skeleton: tall and complete

This elephant skeleton is 4 meters high and 8 meters long. Except for the tail vertebrae, it is all assembled from fossil bones. Look, at the front is a large ivory that is more than 3 meters long, followed by the skull and mandible, and even the hyoid bone, which is hard to find, is preserved. Among the more than 100 toe bones, not even the terminal phalanx, which is three to four centimeters long, was lost. It is rare in the history of the discovery of elephant fossils that the skeleton of an ancient Yellow River elephant can be preserved so completely.

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The fossils are all exposed and people can see them clearly ( ). From its standing posture, you can imagine the scene at that moment. From the interconnection of its various bones, it can be inferred that it was in the same place after death ( ), so it can be preserved so completely.

A group of Yellow River elephants, led by an old male elephant, came from afar. Fatigue and thirst tortured them to the point of weakness. As soon as they saw a small river in front of them, they started running happily.

The old elephant's right foot happened to step on an oval stone, and the stone sank downwards. The left foot it raised had no time to recover, and it immediately stepped into the river, stepping on the mud at the bottom of the river, and fell deeply into the river. Fell in. How could the rotten and soft mud bear such a heavy weight of an old elephant? After a while, the old elephant leaned forward and fell into the river. It struggled hard, but the more it struggled, the more its body sank. It raised its head and called for help, but water rushed into its mouth.

Every paleontological fossil contains profound scientific principles. It was precisely because people knew the research significance of the Yellow River elephant fossils that they immediately reported it to their superiors, who organized the excavation. We must also learn to protect national cultural relics, and learn to make bold assumptions and explore mysteries.

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For more information about the "Elephant of the Yellow River" PPT courseware, please click the "Elephant of the Yellow River" ppt tab.

"Yellow River Elephant" PPT courseware 5:

"Yellow River Elephant" PPT courseware 5 Thoughts: 1. From the first natural language, what characteristics do you understand of this ancient Yellow River elephant skeleton fossil? Highlight the words and phrases that make you feel this way. 2. How do scientists hypothesize the origin of the Yellow River elephant skeleton fossils? ..

"Yellow River Elephant" PPT courseware 4:

"Yellow River Elephant" PPT courseware 4 Elephant knowledge: Elephants are currently the largest mammals in the world and are widely distributed in regions south of the Sahara Desert and South Asia. The African elephant is the largest existing elephant, with a shoulder height of 4 meters and a maximum weight of 8 tons. Learn a new lesson from me: There is a kind of yellow...

"Yellow River Elephant" PPT courseware 3:

"Yellow River Elephant" PPT Courseware 3 Learning Objectives 1 Understand the relevant situation of the Yellow River Elephant skeleton fossils and scientists' imagination of the origin of this fossil 2 Understand the imaginary part of the article about the origin of the Yellow River Elephant fossils and pass the vocabulary in a systematic manner 1 Ostrich (tu) 2 Ellipse (tuǒ)..

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Update Time: 2024-10-04

This template belongs to Chinese courseware Hebei Education Edition Sixth Grade Chinese Language Volume 2 industry PPT template

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