LIFE SCIENCE

Detailed explanation-1: -Diatoms are a class of phytoplankton which are known as chief producers in the ocean.

Detailed explanation-2: -Some phytoplankton are bacteria, some are protists, and most are single-celled plants. Among the common kinds are cyanobacteria, silica-encased diatoms, dinoflagellates, green algae, and chalk-coated coccolithophores.

Detailed explanation-3: -Plankton is the term used to refer to groups of organisms too small to swim against water currents. The primary producers of the ocean are microscopic phytoplankton, including protists like algae and diatoms.

Detailed explanation-4: -Phytoplankton are microscopic marine algae. In a balanced ecosystem, they provide food for a wide range of sea creatures. Phytoplankton, also known as microalgae, are similar to terrestrial plants in that they contain chlorophyll and require sunlight in order to live and grow.