Question

which word best describes the relationship between polyps and algae? (1 point) symbiotic bleached photosynthetic exoskeletal

Explanation:

To determine the relationship between polyps (e.g., coral polyps) and algae, we analyze each option:

• "Symbiotic": Coral polyps and algae (like zooxanthellae) have a symbiotic relationship where the algae provide food via photosynthesis, and the polyp provides a protected environment.
• "Bleached": Refers to coral losing algae, not the relationship itself.
• "Photosynthetic": Describes the algae's ability to make food, not the relationship.
• "Exoskeletal": Relates to external skeletons (e.g., coral skeletons), not the relationship between polyps and algae.

So "symbiotic" best describes their relationship.

Answer:

A. symbiotic