Ocean Nutrient Cycling 2025

Front

In this diagram of the carbon cycle, what does the B line represent?

Back

photosynthesis

Front

Which line represents movement of carbon up the food chain?

Back

line D

Front

Which nutrients get passed up the food chain?

Back

All of the choices (carbon, nitrogen, phosphorus)

Front

What nutrients are needed by organisms to make DNA?

Back

nitrogen and phosphorus

Front

Which of the following process does NOT replenish nutrients to surface waters? animal excretion, runoff, upwelling, harvesting plants or animals

Back

harvesting plants or animals

Front

____________ delivers nutrients to the deep sea, and ____________ delivers some back to the surface waters.

Back

Marine snow, upwelling

Front

Where can calcium carbonate (focus on calcium and not carbon) be found in the ocean?

Back

in coral skeletons

Front

Where is most carbon in the ocean sent for long-term storage due to the ocean's biological pump?

Back

the seafloor

Front

What is the only process that removes carbon from the atmosphere? Options: combustion, cellular respiration, photosynthesis, decomposition

Back

photosynthesis

Front

Where is carbon stored in the environment?

Back

All of the above