What factor contributes to the high productivity of coral reefs compared to the open ocean?

Prepare for the NYSTCE 160 Biology Exam with comprehensive study materials. Dive into flashcards and multiple choice questions, each featuring hints and explanations to boost your understanding and readiness for test day!

Coral reefs exhibit high productivity primarily due to their access to sunlight. This is because they are typically found in shallow waters where sunlight can penetrate to a greater depth, facilitating photosynthesis. The symbiotic relationship between coral and zooxanthellae—microscopic algae that live within the coral tissues—is crucial here. These algae harness sunlight to perform photosynthesis, producing organic compounds that provide essential nutrients for the coral.

In contrast, open ocean environments are often much deeper, meaning that sunlight does not reach the lower levels in sufficient amounts to support such productive photosynthetic activity. While factors like temperature, salinity, and water depth do play roles in overall marine productivity, the availability of sunlight is the fundamental reason for the enhanced productivity seen in coral reef ecosystems compared to the vast, darker regions of the open ocean.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy