The Major Photosynthesizing Organisms in the Ocean Are Phytoplankton and Algae.These

question 48

Multiple Choice

The major photosynthesizing organisms in the ocean are phytoplankton and algae.These organisms obtain most of the CO₂ necessary for photosynthesis from which source?

• A) They take it directly from the atmosphere.
• B) They use CO₂ dissolved in ocean water.
• C) They use CO₂ respired by surrounding organisms.
• D) They break down organic molecules in the ocean.
• E) They break down carbonate from ocean sediments.

---

Definitions:

Mean Reversion

The financial theory suggesting prices and returns eventually move back towards the mean or average.

Economic Profits

The difference between a firm's total revenues and its total costs, including both explicit and implicit costs.

San Diego

A coastal city in the U.S. state of California, known for its beaches, parks, and warm climate.

Nashville

The capital city of the U.S. state of Tennessee, known for its vibrant music scene, particularly in country and western music.