In a recent study, researchers found that carbon dioxide was pumped to the ocean floor after adding a small amount of iron to the water. Which of the following organisms was likely responsible for this result?
A) dinoflagellates
B) forams
C) diatoms
D) slime molds

Question

Quizplus · Accepted Answer

Diatoms are responsible for this result because they utilize iron as a nutrient to facilitate photosynthesis, which in turn increases their ability to absorb carbon dioxide from the atmosphere. When they die, they sink to the ocean floor, effectively sequestering the carbon.

In a Recent Study, Researchers Found That Carbon Dioxide Was