Use the evidence in the text to select the photosynthetic organism.
A. Leafy sea dragons are consumers in their ecosystems, so they rely on other organisms as food. A leafy sea dragon's leaf-like fins help it hide among seaweed.
B. Giant kelp are producers in their ecosystems and also provide shelter for many animals. Giant kelp use carbon dioxide and water to make food inside their cells.
Identify the correct choice from the options below and respond with the letter of the correct option.
Answer: B