"Make an Ecological Bottle" Biology and Environment PPT Courseware 5

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"Make an Ecological Bottle" Biology and Environment PPT Courseware 5

Start by preparing a large transparent beverage bottle and cut off the top part.

Part 2: Put a layer of underwater silt at the bottom of the bottle, and fill in most of the bottle with water from natural waters.

Part 3 "Plant" a few water plants in the bottle and put some duckweed on the water surface.

Ask students to think carefully.

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

2. What living conditions do aquatic plants need?

3What other non-living things can we find in ponds? What effect do they have on living things?

1. Fish in the pond often surface in the early morning. The reason is that the plants in the pond consume the oxygen in the water through respiration, causing the fish to become hypoxic and surface, so too many plants in the closed pond will occupy the water. Oxygen for pond animals.

2. Water, oxygen, and some microorganisms are needed.

3. What other non-living things can we find in the pond? What effect do they have on living things?

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For more information about the PPT courseware "Biology and Environment Make an Ecological Bottle", please click the Biology and Environment ppt Make an Ecological Bottle ppt label.

"Make an Ecological Bottle" Biology and Environment PPT Download:

"Make an Ecological Bottle" Biology and Environment PPT Download Part One: Pond Ecosystem Take a look at the pond below and talk about what aquatic organisms are in the pond? What other non-living things can we find in ponds? What conditions do aquatic plants need to survive? null..

"Make an Ecological Bottle" Biology and Environment PPT:

"Make an Ecological Bottle" Biology and Environment PPT Part 1: Understanding Ecology 1. What living things and non-living things are there in the pond? 2. What is the relationship between living things and non-living things? 3. What are the functions of living and non-living things? Organisms: algae, aquatic plants, Spirogyra...

"Make an Ecological Bottle" Biology and Environment PPT Courseware 4:

"Make an Ecological Bottle" Biology and Environment PPT Courseware 4 Look at the pictures and answer the questions: 1. What aquatic organisms are there in the pond? Aquatic plants, small fish, big fish, shrimps, snails, aquatic insects, frogs, ducks, dragonflies, etc. 2. What living conditions do aquatic plants need? Air, water,...

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Update Time: 2024-09-13

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

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