"Aquatic Plants" Plant PPT Courseware 2

Description

"Aquatic Plants" Plant PPT Courseware 2

Think about it: Why do water hyacinths float on water?

The enlarged spongy body on the petiole of water hyacinth is filled with air

The sponge-like air bag structure is very light, so it can float on the water (adapted to the environment of aquatic plants)

summary:

1. Aquatic plants have organs such as roots, stems, and leaves, and their growth requires water, sunlight, and air.

2. The reason why water hyacinth floats on the water is that the expanded spongy body in the petiole of water hyacinth is filled with air.

The growing environment of aquatic plants

What is the environment in which most of the aquatic plants you have seen grow?

It grows in the pool

It grows in wetlands

It grows on the water bank

It grows in the swamp

It grows in lakes

It grows in the pond

anything else?

What are the similarities and differences between aquatic plants and terrestrial plants such as trees and grasses?

The same points: they all have roots, stems and leaves, they all reproduce, they all die, they all need sunlight, water and air, they all have chlorophyll, they all use sunlight and carbon dioxide to synthesize oxygen and organic nutrients. Life activities and growth processes are similar.

Differences: The living environment is different and the demand for water is different. Most aquatic plants are algae, which are inferior to terrestrial plants.

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For more information about the "Plants and Aquatic Plants" PPT courseware, please click on the "Plant ppt Aquatic Plants ppt" tag.

"Aquatic Plants" Plant PPT:

"Aquatic Plants" Plant PPT Part 1: Common aquatic plants There are many plants growing on land and many plants growing in water. Water hyacinth, hornwort, water peanut, duckweed... ... Aquatic plants PPT, part 2: Observing water hyacinth...

"Aquatic Plants" Plant PPT Courseware 5:

"Aquatic Plants" Plant PPT Courseware 5 1. What are aquatic plants? A group of plants that live in an environment with water. Water-containing areas such as swamps, oceans, wetlands, rivers, lakes, etc. Typical aquatic plants rely on water throughout their lives. Common aquatic plants:..

"Aquatic Plants" Plant PPT Courseware 4:

"Aquatic Plants" Plant PPT Courseware 4 1. What are aquatic plants? A group of plants that live in an environment with water. Water-containing areas such as swamps, oceans, wetlands, rivers, lakes, etc. Typical aquatic plants rely on water throughout their lives. Common aquatic plants:..

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Update Time: 2024-11-18

This template belongs to science courseware Third Grade Science Volume 1, Textbook Edition industry PPT template

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