algae.
algae.
Algae
phytoplankton
Algae.
Phytoplankton are the autotrophs that are the main producers for the upper layers of the ocean.This is because the upper layers of the ocean provide the most sunlight, which is what phytoplankton need in order to perform photosynthesis.
the temperature of the water in the upper layers of the ocean
The upper layer of the ocean is primarily inhabited by phytoplankton, which are autotrophic microorganisms that rely on photosynthesis to produce their own food. These tiny organisms form the base of the marine food web, providing energy to the entire ecosystem.
The term that describes the upper part of the ocean into which sunlight penetrates is called the "euphotic zone." This is where photosynthesis occurs as sunlight is able to reach the surface layers of the ocean, supporting the growth of phytoplankton and other marine plants.
The ocean is stratified with denser layers below less dense layers.
phytoplankton
Algae
there are about 1-4 thousand types of producer in the ocean.