The upper layer of the ocean, where enough light penetrates the water to permit plants to conduct photosynthesis, is called the __________ zone and occurs at depths of __________ meters in most instances.

Question

Quizplus · Accepted Answer

The upper layer of the ocean where photosynthesis occurs is called the photic zone, and it is usually found at depths of 100 to 200 meters. Option A is incorrect because the subtidal zone refers to the ocean floor below the intertidal zone. Option C is incorrect because the intertidal zone is the area of the shore between high and low tide. Option D is incorrect because the epicontinental zone refers to areas of shallow oceans near continents.

The Upper Layer of the Ocean, Where Enough Light Penetrates