| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Sixth Grade Science Volume 2 | pptx | 6 MB |
"Domestication of Animals" PPT
Description
Hunan Education Edition Sixth Grade Volume 2 Science, Domestication of Animals PPT
Part One: Content Import
In ancient times, humans lived by gathering and hunting, and wild boar was one of the wild animals hunted at that time. At first, because the hunting tools were very backward, mostly wooden sticks, stones, etc., few wild boars were caught, and people often went hungry.
This is spear throwing. Throwing spears were often made of sharp bones tightly tied to lighter wooden sticks. People can attack wild beasts from a distance and catch more prey. Use the spear to hunt animals and fish. In this way, people increase their means of living.
Arrows can be said to be flying "teeth".
They make people's hands grow longer and stronger. As if the "teeth" had wings, it flew out, bit the animal's belly violently, and penetrated into the animal's body. More animals are captured in this way, and sometimes there may be some leftover.
Domestication of animals PPT, part 2: thinking
Thinking: What is the difference between the animals that can be caught by weaving a net and those that can be caught with a bow and arrow?
Ancient humans hunted to solve food problems.
Ancient humans left behind to hunt the remaining animals in case of food shortages, but found that the offspring of the remaining female animals were easier to get along with.
Animal Domestication PPT, Part 3: True or False Questions
True or False.
1. In the process of artificial domestication, the traits and characteristics of animals are increasingly in line with human requirements. ( )
2. The process of cultivating wild animals into domestic animals is called animal evolution. ( )
3. Pay attention to hygiene and epidemic prevention when domesticating animals. ( )
4. Wild animals can be tamed, but wild birds cannot. ( )
5. All living things will turn into fossils after death. ( )
Keywords: Hunan Education Edition sixth grade science PPT courseware for the second volume free download, animal domestication PPT download, .PPT format;
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File Info
Update Time: 2024-07-03
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