There are 2 simple models (A and B) in the picture below. One represents the movement of matter and one represents the movement of energy in ecosystems. State which model shows the movement of matter and which the movement of energy. Then explain your choices. [i.e. Model A shows the movement of because... Model B shows the movement of because...] (Level 4) A Photosynthesis Cellular respiration В Photosynthesis Cellular respiration!

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## Understanding Ecosystem Processes: Movement of Matter and Energy

### Overview

In ecosystems, matter and energy move through various processes. The models displayed below represent two different ways of analyzing these movements. One model shows how matter circulates, while the other demonstrates the flow of energy. It is crucial to distinguish between these movements to understand ecosystem dynamics thoroughly.

### Instruction

There are 2 simple models (A and B) in the picture below. One represents the movement of matter and one represents the movement of energy in ecosystems. State which model shows the movement of matter and which the movement of energy. Then explain your choices. [i.e. Model A shows the movement of _______ because ... Model B shows the movement of _______ because ...]

#### Models

![Models of Photosynthesis and Cellular Respiration](image_link)

### Model A
![Model A Diagram](image_link)

**Description**:
- A circular diagram illustrates two interconnected processes: Photosynthesis and Cellular Respiration.
- Arrows indicate a continuous cycle between Photosynthesis and Cellular Respiration, depicting an ongoing loop.

### Model B
![Model B Diagram](image_link)

**Description**:
- A linear diagram shows the sequential processes: Photosynthesis followed by Cellular Respiration.
- Arrows point in one direction, indicating a step-by-step flow from Photosynthesis to Cellular Respiration.

### Explanation

- **Model A** displays the movement of matter because it highlights how substances are recycled in a continuous loop between photosynthesis and cellular respiration. During these processes, elements like carbon, hydrogen, and oxygen are repeatedly utilized and transformed, suggesting a cyclic flow of matter.

- **Model B** demonstrates the movement of energy as it traces the flow of energy from one process to another. In photosynthesis, light energy is captured and converted into chemical energy (in the form of glucose), which is then used in cellular respiration to produce ATP, a usable form of energy for cells. This linear pathway underlines the conversion and transfer of energy through ecosystem processes.

By understanding the distinctions between these models, students can better grasp how ecosystems maintain balance and sustain life through the movements of matter and energy.
Transcribed Image Text:## Understanding Ecosystem Processes: Movement of Matter and Energy ### Overview In ecosystems, matter and energy move through various processes. The models displayed below represent two different ways of analyzing these movements. One model shows how matter circulates, while the other demonstrates the flow of energy. It is crucial to distinguish between these movements to understand ecosystem dynamics thoroughly. ### Instruction There are 2 simple models (A and B) in the picture below. One represents the movement of matter and one represents the movement of energy in ecosystems. State which model shows the movement of matter and which the movement of energy. Then explain your choices. [i.e. Model A shows the movement of _______ because ... Model B shows the movement of _______ because ...] #### Models ![Models of Photosynthesis and Cellular Respiration](image_link) ### Model A ![Model A Diagram](image_link) **Description**: - A circular diagram illustrates two interconnected processes: Photosynthesis and Cellular Respiration. - Arrows indicate a continuous cycle between Photosynthesis and Cellular Respiration, depicting an ongoing loop. ### Model B ![Model B Diagram](image_link) **Description**: - A linear diagram shows the sequential processes: Photosynthesis followed by Cellular Respiration. - Arrows point in one direction, indicating a step-by-step flow from Photosynthesis to Cellular Respiration. ### Explanation - **Model A** displays the movement of matter because it highlights how substances are recycled in a continuous loop between photosynthesis and cellular respiration. During these processes, elements like carbon, hydrogen, and oxygen are repeatedly utilized and transformed, suggesting a cyclic flow of matter. - **Model B** demonstrates the movement of energy as it traces the flow of energy from one process to another. In photosynthesis, light energy is captured and converted into chemical energy (in the form of glucose), which is then used in cellular respiration to produce ATP, a usable form of energy for cells. This linear pathway underlines the conversion and transfer of energy through ecosystem processes. By understanding the distinctions between these models, students can better grasp how ecosystems maintain balance and sustain life through the movements of matter and energy.
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