"It turns out to be interconnected" Biological Diversity PPT

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"It turns out to be interconnected" Biological Diversity PPT

Part One: Inquiry and Learning

Many creatures have special morphological structures, making the living world more colorful...

Compare the roots of several plants

Observe and compare their leaves. What are the differences?

Compare the leaves of several plants

Summary: The different morphological structures of plants are the result of their long-term adaptation to the living environment.

hint:

1. The selected materials should not be easily soaked by water.

2. The size of the fish folded with paper should not vary too much.

3. Try to push them with the same amount of force.

4. Pay attention to who makes the furthest progress.

Discovery 1:

Feathers are keratinized products derived from poultry epidermal cells. They cover the body surface. They are light, tough, slightly elastic, waterproof, and have functions such as body protection, heat preservation, and flying.

Discovery 2:

The fins are used for swimming in the water, the fish's lateral lines are used for sensing water flow, and the gills are used for breathing in the water.

It turns out to be an interrelated PPT. The second part is about expansion and extension.

Our country is one of the most biologically diverse countries on earth. It has a vast territory, vast sea areas, complex and diverse natural conditions, and an ancient geological history, which has given birth to an extremely rich variety of plants, animals and microbial species, and has a variety of ecological combinations.

Not only are there many wild species and ecosystem types, but there are also a wide variety of cultivated plants and domestic animal species and their wild relatives.

It turns out to be interrelated PPTs. The third part is: Class Summary

Based on the morphological characteristics of animals and plants, we can infer the environment in which they live, and further understand that the biological morphological architecture is adapted to the environment.

It turns out to be interrelated PPT, the fourth part: classroom exercises

1. Fill in the blanks

1. The fins can be used for ( ), the lateral line of the fish can be used ( ), and the gills can be used for ( ).

2. The structural characteristics of plants and animals are the result of their long-term adaptation ( ).

3. ( ) is a floating plant among aquatic plants.

2. Judgment questions

1. The pigeon’s body is spindle-shaped, which can reduce air resistance when flying. ( )

2. Plant roots have the functions of photosynthesis and transpiration. ( )

3. The characteristics of plants and animals are adapted to their living environment. ( )

It turns out to be an interrelated PPT, the fifth part: homework

Continue to observe the organs of some animals and plants, and talk about the connection between their morphological structures and the living environment.

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Update Time: 2024-11-15

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 1 industry PPT template

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