"Common Plants" PPT

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"Common Plants" PPT

Part One: Let’s talk about it

Which of the vegetables and fruits you usually eat are the fruits of plants?

Found seeds inside the fruit?

Do bananas have seeds?

It can produce seeds, and the plants of offspring through seed reproduction are called seed plants.

Plants that cannot produce seeds are called seedless plants.

Common plants PPT, part 2: plant classification

Plants whose seeds are covered with pericarp

angiosperms

(Fruit: bayberry, apple, plum, peach, watermelon, longan, etc.

Vegetables: eggplant, tomatoes, green beans, peanuts, cucumbers, etc.)

Gymnosperms

Plants with no pericarp covering the seeds and exposed seeds

Common plants PPT, the third part: common characteristics

Common characteristics of gymnosperms

Most plants are tall and have well-developed root systems

Particularly strong in cold resistance

no real flowers, fruits

With roots, stems, leaves and seeds (bare)

Main characteristics of angiosperms

1. Also known as green flowering plants, there are many types and wide distribution

2. The seeds are coated with pericarp.

3. There are roots, stems, leaves, flowers, fruits, and seeds.

Common plants PPT, part 4: practice:

1. Seed plants can be divided into _____________ and ____________ based on whether there is a pericarp coating on the outside of the seed.

2. Which of the following plants is an angiosperm?

A. Black pine B. Metasequoia C. cherry d. ginkgo

3. Which of the following statements about seeds is correct?

A. Plants have seeds

B． Only angiosperms have seeds

C． Seeds are born in fruits

D． Only seed plants produce seeds

4. One of the characteristics of angiosperms is that the seeds are covered with which of the following structures

A. Ovary B. Ovary wall

C. Peel D. Fruit

5. The biggest difference between Songhe Tao is

A. The plant is tall B. Does not bloom

C. No fruit D, seedless leather bag quilt.

Keywords: Zhejiang Education Edition seventh grade science PPT courseware free download, common plant PPT download, .PPT format;

For more information about the "Common Plants" PPT courseware, please click on the Common Plants PPT tab.

"Common Plants" PPT courseware:

"Common Plants" PPT courseware Part One: Classroom Thoughts Thinking: Why do most plants bloom? What do plants bloom for? Fact: Flowering is an essential step in the reproduction process of most plants. Fruit shape...

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Update Time: 2024-11-22

This template belongs to science courseware Zhejiang Education Edition Seventh Grade Science Volume 1 industry PPT template

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