Question

1. label the boxes to represent the gases that are exchanged between photosynthesis and respiration. (hint: think about what gas you need to survive

Explanation:

To solve this problem about labeling the diagram related to photosynthesis and respiration (plant and animals), we analyze the processes:

Step 1: Identify the gas for photosynthesis

Photosynthesis in plants requires carbon dioxide ($\ce{CO_2}$) and produces oxygen ($\ce{O_2}$). Animals (and plants during respiration) use oxygen and produce carbon dioxide.

Step 2: Label the top box (gas for animals/respiration)

Animals (and plants respiring) need oxygen ($\ce{O_2}$) for respiration. So the top box (connected to animals and "Respiration") should be labeled Oxygen ($\ce{O_2}$).

Step 3: Label the bottom box (gas for photosynthesis)

Plants use carbon dioxide ($\ce{CO_2}$) for photosynthesis. The bottom box (connected to the tree/photosynthesis) should be labeled Carbon Dioxide ($\ce{CO_2}$).

Final Labels:

• Top box (between photosynthesis output and animal respiration input): $\boldsymbol{\ce{O_2}}$ (Oxygen)
• Bottom box (between animal respiration output and photosynthesis input): $\boldsymbol{\ce{CO_2}}$ (Carbon Dioxide)

(Note: The diagram shows a tree (photosynthesis) and animals/human (respiration). Photosynthesis: $\ce{6CO_2 + 6H_2O ->[\text{light}] C_6H_{12}O_6 + 6O_2}$. Respiration: $\ce{C_6H_{12}O_6 + 6O_2 -> 6CO_2 + 6H_2O + ATP}$. So the gas cycle is $\ce{CO_2}$ (from respiration) to photosynthesis, and $\ce{O_2}$ (from photosynthesis) to respiration.)

Answer:

To solve this problem about labeling the diagram related to photosynthesis and respiration (plant and animals), we analyze the processes:

Step 1: Identify the gas for photosynthesis

Photosynthesis in plants requires carbon dioxide ($\ce{CO_2}$) and produces oxygen ($\ce{O_2}$). Animals (and plants during respiration) use oxygen and produce carbon dioxide.

Step 2: Label the top box (gas for animals/respiration)

Animals (and plants respiring) need oxygen ($\ce{O_2}$) for respiration. So the top box (connected to animals and "Respiration") should be labeled Oxygen ($\ce{O_2}$).

Step 3: Label the bottom box (gas for photosynthesis)

Plants use carbon dioxide ($\ce{CO_2}$) for photosynthesis. The bottom box (connected to the tree/photosynthesis) should be labeled Carbon Dioxide ($\ce{CO_2}$).

Final Labels:

• Top box (between photosynthesis output and animal respiration input): $\boldsymbol{\ce{O_2}}$ (Oxygen)
• Bottom box (between animal respiration output and photosynthesis input): $\boldsymbol{\ce{CO_2}}$ (Carbon Dioxide)

(Note: The diagram shows a tree (photosynthesis) and animals/human (respiration). Photosynthesis: $\ce{6CO_2 + 6H_2O ->[\text{light}] C_6H_{12}O_6 + 6O_2}$. Respiration: $\ce{C_6H_{12}O_6 + 6O_2 -> 6CO_2 + 6H_2O + ATP}$. So the gas cycle is $\ce{CO_2}$ (from respiration) to photosynthesis, and $\ce{O_2}$ (from photosynthesis) to respiration.)