分解作用與碳循環：練習題

A gardener observes that a compost heap decomposes much faster in the summer than in the winter. Based on the principles of the carbon cycle and decay, which set of conditions would maximise the rate at which microorganisms break down organic matter?

In a stable community, the processes that remove materials are balanced by processes that return materials. Which of the following conditions would lead to the fastest rate of decay by microorganisms?

In the carbon cycle, which process is uniquely responsible for the removal of carbon dioxide from the atmosphere to be used in the synthesis of carbohydrates and proteins within producers?

A student investigates the carbon cycle in a stable woodland. They observe that carbon dioxide is removed from the atmosphere by producers, but it is also released back into the atmosphere by various organisms.

Which of the following describes the primary way carbon is returned to the atmosphere from detritus feeders and microorganisms?

In the carbon cycle, microorganisms and detritus feeders play a vital role in returning carbon to the atmosphere. By which specific process is carbon released from these organisms after they have broken down dead organic matter?

Explain why decomposition occurs faster in warm, moist, and aerobic conditions, and name the two primary types of organisms responsible for this process.

The carbon cycle relies on the return of materials to the environment. Identify the specific biological process performed by microorganisms that releases carbon dioxide from dead organic matter, and state three environmental conditions that would increase the rate of this process.

In the carbon cycle, microorganisms play a vital role in returning carbon to the atmosphere. Describe the process by which these organisms release carbon from dead organic matter and identify three environmental conditions that would increase the rate of this decay.