Question

label the numbered boxes correctly with the following:
respiration by animals
no decomposition
combustion
feeding
decomposition
respiration by plants
death and waste
photosynthesis
the carbon cycle
carbon dioxide in the air
1 photosynthesis
2 (blank)
3 (blank)
4 (blank)
6 (blank)
7 (blank)
8 (blank)
fossil fuels formed over millions of years

Explanation:

To solve the labeling of the carbon cycle diagram, we analyze each numbered box based on the carbon cycle processes:

Step 1: Identify Process 1

The arrow points from "Carbon dioxide in the air" to the plant. The process where plants take in CO₂ to make food is Photosynthesis. So box 1 is "Photosynthesis".

Step 2: Identify Process 2

The arrow points from the plant to "Carbon dioxide in the air". Plants release CO₂ through Respiration by plants. So box 2 is "Respiration by plants".

Step 3: Identify Process 3

The arrow points from the plant to the animal. Animals get carbon by Feeding (eating plants). So box 3 is "Feeding".

Step 4: Identify Process 4

The arrow points from the animal to "Carbon dioxide in the air". Animals release CO₂ through Respiration by animals. So box 4 is "Respiration by animals".

Step 5: Identify Process 6

The arrow points from the animal (or plant) to "Carbon dioxide in the air" via decomposition. If decomposition does not occur (or is part of the cycle), but here the process of breaking down dead matter is Decomposition (or "No decomposition" is a distractor; the main decomposition process is key). Wait, the arrow from death/waste to CO₂: when organisms die, Decomposition (by decomposers) releases CO₂. So box 6 is "Decomposition".

Step 6: Identify Process 7

The arrow points from dead organisms to "Fossil fuels formed over millions of years". The process of dead matter accumulating and forming fossil fuels over time is related to Death and waste leading to fossil fuel formation (but the label here is the process for the arrow: the accumulation of dead organisms (from "Death and waste") leads to fossil fuels, but the arrow from the dead animal to fossil fuels is part of "Death and waste" leading to fossil fuel formation. Wait, the label for box 7: when organisms die, their remains (from "Death and waste") are buried and form fossil fuels over time. But the process here is the transition from dead organisms to fossil fuels, which is part of "Death and waste" leading to fossil fuels, but the label is "Death and waste"? No, the arrow from the dead animal to fossil fuels: the process is the formation of fossil fuels from dead matter, but the given labels include "Death and waste" as a source. Wait, re-examining: the box 7 arrow is from the dead animal to "Fossil fuels...", so the process is the accumulation of dead organisms (from "Death and waste") leading to fossil fuels. So box 7 is "Death and waste".

Step 7: Identify Process 8

The arrow points from "Fossil fuels" to "Carbon dioxide in the air". The process of burning fossil fuels is Combustion. So box 8 is "Combustion".

Final Labels (Key Boxes):

1. Photosynthesis
2. Respiration by plants
3. Feeding
4. Respiration by animals
5. Decomposition
6. Death and waste
7. Combustion

(Note: The diagram’s numbering and arrows may vary slightly, but this follows the carbon cycle logic: photosynthesis (plant takes CO₂), respiration (plant/animal releases CO₂), feeding (animal eats plant), decomposition (breaks down dead matter), death/waste (leads to fossil fuels), combustion (burns fossil fuels).)

Answer:

To solve the labeling of the carbon cycle diagram, we analyze each numbered box based on the carbon cycle processes:

Step 1: Identify Process 1

The arrow points from "Carbon dioxide in the air" to the plant. The process where plants take in CO₂ to make food is Photosynthesis. So box 1 is "Photosynthesis".

Step 2: Identify Process 2

The arrow points from the plant to "Carbon dioxide in the air". Plants release CO₂ through Respiration by plants. So box 2 is "Respiration by plants".

Step 3: Identify Process 3

The arrow points from the plant to the animal. Animals get carbon by Feeding (eating plants). So box 3 is "Feeding".

Step 4: Identify Process 4

The arrow points from the animal to "Carbon dioxide in the air". Animals release CO₂ through Respiration by animals. So box 4 is "Respiration by animals".

Step 5: Identify Process 6

The arrow points from the animal (or plant) to "Carbon dioxide in the air" via decomposition. If decomposition does not occur (or is part of the cycle), but here the process of breaking down dead matter is Decomposition (or "No decomposition" is a distractor; the main decomposition process is key). Wait, the arrow from death/waste to CO₂: when organisms die, Decomposition (by decomposers) releases CO₂. So box 6 is "Decomposition".

Step 6: Identify Process 7

The arrow points from dead organisms to "Fossil fuels formed over millions of years". The process of dead matter accumulating and forming fossil fuels over time is related to Death and waste leading to fossil fuel formation (but the label here is the process for the arrow: the accumulation of dead organisms (from "Death and waste") leads to fossil fuels, but the arrow from the dead animal to fossil fuels is part of "Death and waste" leading to fossil fuel formation. Wait, the label for box 7: when organisms die, their remains (from "Death and waste") are buried and form fossil fuels over time. But the process here is the transition from dead organisms to fossil fuels, which is part of "Death and waste" leading to fossil fuels, but the label is "Death and waste"? No, the arrow from the dead animal to fossil fuels: the process is the formation of fossil fuels from dead matter, but the given labels include "Death and waste" as a source. Wait, re-examining: the box 7 arrow is from the dead animal to "Fossil fuels...", so the process is the accumulation of dead organisms (from "Death and waste") leading to fossil fuels. So box 7 is "Death and waste".

Step 7: Identify Process 8

The arrow points from "Fossil fuels" to "Carbon dioxide in the air". The process of burning fossil fuels is Combustion. So box 8 is "Combustion".

Final Labels (Key Boxes):

1. Photosynthesis
2. Respiration by plants
3. Feeding
4. Respiration by animals
5. Decomposition
6. Death and waste
7. Combustion

(Note: The diagram’s numbering and arrows may vary slightly, but this follows the carbon cycle logic: photosynthesis (plant takes CO₂), respiration (plant/animal releases CO₂), feeding (animal eats plant), decomposition (breaks down dead matter), death/waste (leads to fossil fuels), combustion (burns fossil fuels).)