The Carbon Cycle
Cards (26)
- What is the main objective of the video according to the introduction?
- Besides describing the processes of the carbon cycle, what other role should you be able to describe?
- According to the video, what is the first key fact to know about the carbon cycle?
- How does carbon enter the carbon cycle?
- What substances combine during photosynthesis?
- What is produced during photosynthesis?
- What organisms perform photosynthesis?
- How does carbon dioxide return to the atmosphere from living organisms?
- What is an important distinction to remember, according to the video?
- What two key processes are involved in the carbon cycle?
- What is the role of photosynthesis in the carbon cycle?
- What is the role of respiration in the carbon cycle?
- What do plants and algae take in from the atmosphere during photosynthesis?
- During photosynthesis, what does carbon become part of in plants and algae?
- How is carbon transferred from plants and algae to animals?
- How do animals release carbon back into the atmosphere?
- What happens to the carbon that was in plants when animals eat them?
- What happens to carbon in waste products and dead remains?
- When decomposers respire, what happens to the carbon in waste and dead remains?
- Why are decomposers important to ecosystems?
- Besides returning carbon to the atmosphere, what else do decomposers release?
- What happens to dead remains when decomposers cannot function effectively?
- What condition is mentioned as inhibiting effective decomposition?
- Over long periods, what has happened to large amounts of carbon underground?
- What have humans been burning over the last 200 years?
- What effect does burning fossil fuels have on the carbon cycle?