"Start by reaping what you sow" PPT

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Hunan Education Edition fifth grade science volume 2, starting with what you sow and reaping, PPT courseware download

Part One: Finding Similarities and Differences

Exploration activity one: looking for similarities and differences

hint:

1: The object of observation is a living thing.

2: There are many creatures of the same type.

3: Observe the same species.

4: Observe carefully and carefully.

5: The same group should unite, cooperate and communicate.

Let’s start with PPT about reaping what you sow, Part 2: Heredity and variation in families

Exploration Activity 2: Heredity and Variation in Families

In the 18th century, the British scientist John Dalton bought a pair of stockings for his mother for Christmas one year. Her mother was very happy, but she thought the color was too bright.

Dalton was very surprised, "I bought dark blue. Isn't it stable enough?"

"What? It's as red as a cherry!" Mom said.

From then on, Dalton knew that his color vision was different from others. He carefully analyzed his own experience and researched the people around him, and he discovered that one of his brothers and many others also had color vision deficiency like him. He called this color vision deficiency color blindness.

Color blindness is a genetic trait that runs in families and is passed down from generation to generation.

Let’s start with PPT about reaping what you sow, the third part: thinking

Think: Which of these proverbs is a genetic phenomenon? What is the mutation phenomenon?

you get what you sow.

Wild fire, in spring.

Like father, like son.

Dragons beget dragons, phoenixes beget phoenixes, and mice are born to dig holes.

One mother gives birth to nine sons, and the mother together has ten sons.

The fruit of a tree is either bitter or sweet.

Some of the sons of a mother are foolish and wise.

Oranges exceeding Huaibei are called tangerines.

Keywords: Hunan Education Edition fifth grade science PPT courseware for the second volume is free to download, starting from what you sow and reap, PPT download, .PPT format;

For more information about the PPT courseware "Start by Sowing and Reaping Melons", please click the "Start by Sowing and Reaping Melons" ppt tag.

"Start by sowing and reaping melons" PPT download:

Hunan Education Edition fifth grade science volume 2, starting from sowing melons and reaping melons PPT download, the first part of the content: Plants and plants 1. Similarities and differences in seeds 2. Similarities and differences in plants Dalton discovered on a Christmas day, Tao Dalton went to the street to buy a pair of stockings for his mother..

"Starting from Sowing and Reaping Melons" PPT courseware:

Hunan Education Edition fifth-grade science volume 2, starting from sowing melons to reaping melons, PPT courseware, the first part content: Knowledge explanation Knowledge explanation The offspring of rice breeding is still rice, and the children of dog mothers are still dogs. This phenomenon is heredity. Heredity allows biological species to continue from generation to generation. ..

"Start by sowing and reaping melons" PPT:

Science in the second volume of the fifth grade of Hunan Education Edition, starting from PPT about sowing melons and reaping melons, the first part contains: Sow melons and reap melons, sow beans and reap beans, sow melons and reap melons, sow beans and reap beans, one mother gives birth to nine sons, and even the mother has ten This seems to be a matter of course. In fact, these phenomena contain the divine...

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Update Time: 2024-11-02

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