"Be a Small Ecological Bottle" Pond Community PPT Courseware 2

Description

"Be a Small Ecological Bottle" Pond Community PPT Courseware 2

Questions to think about:

1. What aquatic organisms are there in the pond?

Aquatic life includes aquatic animals and plants, such as: aquatic plants, fish, turtles, zooplankton...

2. What living conditions do aquatic plants need?

Water, sunlight, soil (some need), fertilizer, temperature, air

3. What help do the plants in the pond provide to the animals?

food, shelter, oxygen

4. What contributions do animals make to the growth of plants?

Animal feces are food for plants, and carbon dioxide is absorbed by plants

5. What non-living things are there in the pond?

Non-living things: stones, sand, water...

6. What effect do non-living things have on living things?

Provides organisms with the substances they need for life

Class exercises

choose:

1. The bottles we use to make eco-bottles must be transparent. This is because ( ).

A. Let the plants inside see the light B. Make it easy to observe C. Let the plants see the light and make it easy to observe

2. When placing animals and plants in ecological bottles, you should ( ).

A.Put the animals first B.Put the plants first C.Put the animals and plants together

3. The function of the plants in the ecological bottle is ( ).

A. Beautify B. Provide oxygen C. Fix sand

4. To maintain the long-term stability of the small ecological bottle designed and produced, you should pay attention to ( ).

A. Open and transparent B. Reasonable ratio of biological species and quantity C. Placed under weak scattered light

5. The living and non-living things in the pond, they are ( ).

A. Interact. Interdependent. B. Have no influence on each other.

C. Living things will affect non-living things, and non-living things will not affect living things.

judge:

1. Before making an ecological bottle, we must first understand the living needs of these creatures. ( )

2. A group of ants live together, relying on each other and influencing each other, forming an ant colony. ( )

3. Non-living things play no role in the ecosystem. ( )

4. The more animals and plants in the ecological bottle, the better. ( )

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For more information about the PPT courseware "Pond Community Makes a Small Ecological Bottle", please click the Pond Community ppt Makes a Small Ecological Bottle ppt tag.

"Be a Small Ecological Bottle" pond community PPT courseware:

"Be a Small Ecological Bottle" Pond Community PPT Courseware Questions to think about: 1. What aquatic organisms are there in the pond? 2. What living conditions do aquatic plants need? 3. What help do the plants in the pond provide to the animals? 4. What contributions do animals make to the growth of plants? 5. Pool..

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Update Time: 2024-11-14

This template belongs to science courseware E-education edition fifth grade science volume 1 industry PPT template

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