"Structural Hierarchy of Plants" How cells constitute organisms PPT courseware 6

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"Structural Hierarchy of Plants" How cells constitute organisms PPT courseware 6

By studying this section, you will know

1. What are the tissues that make up the plant body?

2. What are the structural levels of plants?

The growth and development of plants and animals are similar, and they also start from fertilized eggs.

The fertilized egg undergoes cell division and differentiation to form tissues, organs, and then the plant body.

1. Green flowering plants have six major organs

What is the main function of each organ of a green flowering plant?

2. Several tissues of plants

Groups of cells capable of dividing are called meristems.

For example: bud tip, root tip on the stem

Through cell division and differentiation, meristems

Form protective tissue, nutritional tissue, conductive tissue, mechanical tissue, etc.

Different tissues form plant organs.

Each organ is made up of several different tissues. Mainly one or two types of organizations.

Exercise P65

1. The following is the structural level of the plant body. Please fill in the names of the tissues and organs.

2. It is a common phenomenon that the lotus roots are broken and the silk is connected; what tissue of the plant body does the "silk" here come from? ( )

A. Protective tissue B. Nutritional tissue C. Meristematic tissue D. Transmission tissue

3. In which parts of the plant body are protective tissues distributed? What tissues run through the roots, stems, leaves and other organs of plants? If you pinch off the top of a branch, will the branch continue to grow? Why?

Because its meristem has been destroyed.

Supplementary exercises

1.A green leaf is ( )

A. A cell B. A tissue

C. An organ D. Plant individual

2. Which of the following are plant organs ( )

A. Watermelon flesh B. Watermelon rind C. Watermelon seeds

3. The structural hierarchy of plants does not include ( )

A. Cell B. Tissue C. Organ D. System

4. What tissue does the inner epidermis of onion scale leaves belong to? ( )

A. Protective tissue B. Meristem

C. Nutritional tissue D. Conductive tissue

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Update Time: 2024-11-24

This template belongs to biology courseware People's Education Edition seventh grade biology volume 1 industry PPT template

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