Label the general phases in the carbon cycle. <IMAGE>

Verified step by step guidance

1. Identify the main components of the carbon cycle, such as the atmosphere, biosphere, hydrosphere, and geosphere.
2. Describe the process of photosynthesis, where plants convert carbon dioxide from the atmosphere into organic matter.
3. Explain the role of respiration, where organisms release carbon dioxide back into the atmosphere by breaking down organic matter.
4. Discuss the process of decomposition, where decomposers break down dead organisms, returning carbon to the soil and atmosphere.
5. Outline the role of fossil fuels and combustion, where burning fossil fuels releases stored carbon back into the atmosphere.

Key Concepts

Carbon Fixation

Carbon fixation is the process by which inorganic carbon dioxide (CO2) is converted into organic compounds by living organisms, primarily through photosynthesis in plants. During this phase, plants absorb CO2 from the atmosphere and, using sunlight, transform it into glucose and other carbohydrates, which serve as energy sources for themselves and other organisms in the ecosystem.

Decomposition

Decomposition is the process through which organic matter, such as dead plants and animals, is broken down by microorganisms, fungi, and detritivores. This phase is crucial for recycling nutrients back into the soil, allowing for the release of carbon back into the atmosphere as CO2, thus maintaining the balance of the carbon cycle and supporting new plant growth.

Respiration

Respiration is a metabolic process in which organisms convert organic compounds, primarily glucose, into energy, releasing carbon dioxide as a byproduct. This phase occurs in both plants and animals and is essential for energy production, contributing to the carbon cycle by returning CO2 to the atmosphere, which can then be utilized again by plants during photosynthesis.