Question

marine biomes
zone identification
the photic zone is the zone in which sunlight easily
penetrates.

in the aphotic zone, sunlight is not strong enough for
any plants to live.

the abyssal zone is completely dark.

below is an image that shows the various zones of the
ocean:

in which zone does photosynthesis occur?

the aphotic zone

the photic zone

the abyssal zone

Explanation:

Photosynthesis requires sunlight. The photic zone is defined as the zone where sunlight easily penetrates. The aphotic zone has insufficient sunlight for plants, and the abyssal zone is completely dark, so neither can support photosynthesis. Thus, photosynthesis occurs in the photic zone.

Answer:

the photic zone